sfxge(4): support MUM/SUC firmware partitions

Submitted by:   Andrew Lee <alee at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18097

sys/dev/sfxge/common/ef10_nvram.c

@@ -2173,6 +2173,7 @@ static ef10_parttbl_entry_t medford_parttbl[] = {
 	PARTN_MAP_ENTRY(FPGA_BACKUP,		ALL,	FPGA_BACKUP),
 	PARTN_MAP_ENTRY(LICENSE,		ALL,	LICENSE),
 	PARTN_MAP_ENTRY(EXPANSION_UEFI,		ALL,	UEFIROM),
+	PARTN_MAP_ENTRY(MUM_FIRMWARE,		ALL,	MUM_FIRMWARE),
 };
 
 static	__checkReturn		efx_rc_t

sys/dev/sfxge/common/efx.h

@@ -1388,6 +1388,7 @@ typedef enum efx_nvram_type_e {
 	EFX_NVRAM_DYNAMIC_CFG,
 	EFX_NVRAM_LICENSE,
 	EFX_NVRAM_UEFIROM,
+	EFX_NVRAM_MUM_FIRMWARE,
 	EFX_NVRAM_NTYPES,
 } efx_nvram_type_t;