brcm47xx: rename (and refresh) MTD patch for safety "nvram" partition

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 44854

target/linux/brcm47xx/patches-3.18/400-mtd-bcm47xxpart-get-nvram.patch

@@ -1,14 +1,14 @@
 --- a/drivers/mtd/bcm47xxpart.c
 +++ b/drivers/mtd/bcm47xxpart.c
-@@ -93,6 +93,7 @@ static int bcm47xxpart_parse(struct mtd_
+@@ -97,6 +97,7 @@ static int bcm47xxpart_parse(struct mtd_
  	int trx_part = -1;
  	int last_trx_part = -1;
  	int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
 +	bool found_nvram = false;
  
- 	if (blocksize <= 0x10000)
- 		blocksize = 0x10000;
-@@ -281,12 +282,23 @@ static int bcm47xxpart_parse(struct mtd_
+ 	/*
+ 	 * Some really old flashes (like AT45DB*) had smaller erasesize-s, but
+@@ -300,12 +301,23 @@ static int bcm47xxpart_parse(struct mtd_
  		if (buf[0] == NVRAM_HEADER) {
  			bcm47xxpart_add_part(&parts[curr_part++], "nvram",
  					     master->size - blocksize, 0);