bcm47xx: Remove exports for braodcom-wl driver

The braodcom-wl driver was removed from OpenWrt, remove the special
exports it needed.

Fixes: e772b75d5d50 ("broadcom-wl: remove package")
Signed-off-by: Hauke Mehrtens <[email protected]>

target/linux/bcm47xx/patches-6.1/999-wl_exports.patch

@@ -1,24 +0,0 @@
---- a/drivers/firmware/broadcom/bcm47xx_nvram.c
-+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
-@@ -30,7 +30,8 @@ struct nvram_header {
- 	u32 config_ncdl;	/* ncdl values for memc */
- };
- 
--static char nvram_buf[NVRAM_SPACE];
-+char nvram_buf[NVRAM_SPACE];
-+EXPORT_SYMBOL(nvram_buf);
- static size_t nvram_len;
- static const u32 nvram_sizes[] = {0x6000, 0x8000, 0xF000, 0x10000};
- static int cfe_env;
---- a/arch/mips/mm/cache.c
-+++ b/arch/mips/mm/cache.c
-@@ -63,6 +63,9 @@ void (*_dma_cache_wback_inv)(unsigned lo
- void (*_dma_cache_wback)(unsigned long start, unsigned long size);
- 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 */
- 
- /*

target/linux/bcm47xx/patches-6.6/999-wl_exports.patch

@@ -1,24 +0,0 @@
---- a/drivers/firmware/broadcom/bcm47xx_nvram.c
-+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
-@@ -30,7 +30,8 @@ struct nvram_header {
- 	u32 config_ncdl;	/* ncdl values for memc */
- };
- 
--static char nvram_buf[NVRAM_SPACE];
-+char nvram_buf[NVRAM_SPACE];
-+EXPORT_SYMBOL(nvram_buf);
- static size_t nvram_len;
- static const u32 nvram_sizes[] = {0x6000, 0x8000, 0xF000, 0x10000};
- static int cfe_env;
---- a/arch/mips/mm/cache.c
-+++ b/arch/mips/mm/cache.c
-@@ -80,6 +80,9 @@ void (*_dma_cache_wback_inv)(unsigned lo
- void (*_dma_cache_wback)(unsigned long start, unsigned long size);
- 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 */
- 
- /*