brcm63xx: rename target to bcm63xx

This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/bcm63xx/patches-4.14/800-wl_exports.patch

@@ -0,0 +1,25 @@
+--- a/arch/mips/bcm63xx/nvram.c
++++ b/arch/mips/bcm63xx/nvram.c
+@@ -24,6 +24,12 @@
+ static struct bcm963xx_nvram nvram;
+ static int mac_addr_used;
+ 
++/*
++ * Required export for WL
++ */
++u32 nvram_buf[5] = { 0, cpu_to_le32(20), 0, 0, 0 };
++EXPORT_SYMBOL(nvram_buf);
++
+ void __init bcm63xx_nvram_init(void *addr)
+ {
+ 	u32 crc, expected_crc;
+--- a/arch/mips/mm/cache.c
++++ b/arch/mips/mm/cache.c
+@@ -64,6 +64,7 @@ void (*_dma_cache_wback)(unsigned long s
+ void (*_dma_cache_inv)(unsigned long start, unsigned long size);
+ 
+ EXPORT_SYMBOL(_dma_cache_wback_inv);
++EXPORT_SYMBOL(_dma_cache_inv);
+ 
+ #endif /* CONFIG_DMA_NONCOHERENT || CONFIG_DMA_MAYBE_COHERENT */
+