mtd: bcm47xxpart: allow enabling on ARCH_BCM_5301X

Home routers based on SoCs like BCM53010 (AKA BCM4708) use flashes
which can be nicely partitioned with bcm47xxpart. Header bcm47xx_nvram.h
is not available on bcm53xx, so don't include it.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/Kconfig

@@ -150,7 +150,7 @@ config MTD_BCM63XX_PARTS
 
 config MTD_BCM47XX_PARTS
 	tristate "BCM47XX partitioning support"
-	depends on BCM47XX
+	depends on BCM47XX || ARCH_BCM_5301X
 	help
 	  This provides partitions parser for devices based on BCM47xx
 	  boards.

drivers/mtd/bcm47xxpart.c

@@ -14,7 +14,6 @@
 #include <linux/slab.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
-#include <bcm47xx_nvram.h>
 
 /* 10 parts were found on sflash on Netgear WNDR4500 */
 #define BCM47XXPART_MAX_PARTS		12
@@ -30,6 +29,7 @@
 #define BOARD_DATA_MAGIC2		0xBD0D0BBD
 #define CFE_MAGIC			0x43464531	/* 1EFC */
 #define FACTORY_MAGIC			0x59544346	/* FCTY */
+#define NVRAM_HEADER			0x48534C46	/* FLSH */
 #define POT_MAGIC1			0x54544f50	/* POTT */
 #define POT_MAGIC2			0x504f		/* OP */
 #define ML_MAGIC1			0x39685a42