Remove ancient simulation code. Skyeye simulation never really worked

quite right and hasn't been used in ages and is likely broken.  QEMU
with GUMSTIX is a more promising road to FreeBSD/arm in emulation
anyway.

Reviewed by:	cognet@

sys/arm/conf/SKYEYE

@@ -1,85 +0,0 @@
-# SKYEYE -- Kernel configuration for running the skyeye simulator
-# simulating the Atmel AT91RM9200.
-#
-# For more information on this file, please read the handbook section on
-# Kernel Configuration Files:
-#
-#    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
-#
-# The handbook is also available locally in /usr/share/doc/handbook
-# if you've installed the doc distribution, otherwise always see the
-# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
-# latest information.
-#
-# An exhaustive list of options and more detailed explanations of the
-# device lines is also present in the ../../conf/NOTES and NOTES files. 
-# If you are in doubt as to the purpose or necessity of a line, check first 
-# in NOTES.
-#
-# $FreeBSD$
-
-ident		KB920X
-
-options 	KERNPHYSADDR=0xc0000000	
-options 	KERNVIRTADDR=0xc0000000	
-options 	PHYSADDR=0xc0000000
-include		"../at91/std.kb920x"
-makeoptions	MODULES_OVERRIDE=""
-
-makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
-makeoptions	CONF_CFLAGS=-mcpu=arm9
-options 	DDB
-options 	KDB
-
-
-options 	SCHED_4BSD		#4BSD scheduler
-options 	INET			#InterNETworking
-options 	INET6			#IPv6 communications protocols
-options 	FFS			#Berkeley Fast Filesystem
-options 	SOFTUPDATES		#Enable FFS soft updates support
-options 	UFS_ACL			#Support for access control lists
-options 	UFS_DIRHASH		#Improve performance on big directories
-options 	MD_ROOT			#MD is a potential root device
-options 	MD_ROOT_SIZE=4096
-options 	ROOTDEVNAME=\"ufs:md0\"
-options 	NFSCLIENT		#Network Filesystem Client
-options 	NFSSERVER		#Network Filesystem Server
-options 	NFSLOCKD		#Network Lock Manager
-options 	NFS_ROOT		#NFS usable as /, requires NFSCLIENT
-#options 	MSDOSFS			#MSDOS Filesystem
-options 	CD9660			#ISO 9660 Filesystem
-#options 	PROCFS			#Process filesystem (requires PSEUDOFS)
-options 	PSEUDOFS		#Pseudo-filesystem framework
-options 	SCSI_DELAY=5000		#Delay (in ms) before probing SCSI
-#options 	KTRACE			#ktrace(1) support
-options 	SYSVSHM			#SYSV-style shared memory
-options 	SYSVMSG			#SYSV-style message queues
-options 	SYSVSEM			#SYSV-style semaphores
-options 	_KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
-options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
-device		loop
-device		ether
-#device		saarm
-device		rl
-device		uart
-#options 	AHC_REG_PRETTY_PRINT	# Print register bitfields in debug
-					# output.  Adds ~128k to driver.
-#options 	AHD_REG_PRETTY_PRINT	# Print register bitfields in debug
-					# output.  Adds ~215k to driver.
-
-# Debugging for use in -current
-#options 	DEADLKRES		#Enable the deadlock resolver
-#options 	INVARIANTS		#Enable calls of extra sanity checking
-#options 	INVARIANT_SUPPORT	#Extra sanity checks of internal structures, required by INVARIANTS
-#options 	WITNESS			#Enable checks to detect deadlocks and cycles
-#options 	WITNESS_SKIPSPIN	#Don't run witness on spinlocks for speed
-
-# To make an SMP kernel, the next two are needed
-#options 	SMP			# Symmetric MultiProcessor Kernel
-#options 	APIC_IO			# Symmetric (APIC) I/O
-
-device		md
-options 	SKYEYE_WORKAROUNDS
-# Floppy drives
-
-

sys/arm/include/pmap.h

@@ -336,10 +336,6 @@ extern int pmap_needs_pte_sync;
 
 #endif /* ARM_NMMUS > 1 */
 
-#ifdef SKYEYE_WORKAROUNDS
-#define PMAP_NEEDS_PTE_SYNC     1
-#define PMAP_INCLUDE_PTE_SYNC
-#else
 #if (ARM_MMU_SA1 == 1) && (ARM_NMMUS == 1)
 #define	PMAP_NEEDS_PTE_SYNC	1
 #define	PMAP_INCLUDE_PTE_SYNC
@@ -349,7 +345,6 @@ extern int pmap_needs_pte_sync;
 #elif (ARM_MMU_SA1 == 0)
 #define	PMAP_NEEDS_PTE_SYNC	0
 #endif
-#endif
 
 /*
  * These macros return various bits based on kernel/user and protection.