sfxge(4): add more definitions of partitions

Add definitions of dynamic config and expansion ROM backup
partitions.

Submitted by:   Paul Fox <pfox at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18247

sys/dev/sfxge/common/ef10_nvram.c

@@ -2195,6 +2195,8 @@ static ef10_parttbl_entry_t medford2_parttbl[] = {
 	PARTN_MAP_ENTRY(LICENSE,		ALL,	LICENSE),
 	PARTN_MAP_ENTRY(EXPANSION_UEFI,		ALL,	UEFIROM),
 	PARTN_MAP_ENTRY(MUM_FIRMWARE,		ALL,	MUM_FIRMWARE),
+	PARTN_MAP_ENTRY(DYNCONFIG_DEFAULTS,	ALL,	DYNCONFIG_DEFAULTS),
+	PARTN_MAP_ENTRY(ROMCONFIG_DEFAULTS,	ALL,	ROMCONFIG_DEFAULTS),
 };
 
 static	__checkReturn		efx_rc_t

sys/dev/sfxge/common/efx.h

@@ -1511,6 +1511,8 @@ typedef enum efx_nvram_type_e {
 	EFX_NVRAM_LICENSE,
 	EFX_NVRAM_UEFIROM,
 	EFX_NVRAM_MUM_FIRMWARE,
+	EFX_NVRAM_DYNCONFIG_DEFAULTS,
+	EFX_NVRAM_ROMCONFIG_DEFAULTS,
 	EFX_NVRAM_NTYPES,
 } efx_nvram_type_t;