[brcm47xx] make brcm47xx build only with bcma or only with ssb support.

There are some ifdefs missing so when only ssb or only bcma was
selected in the kernel config it did not build.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33209 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/brcm47xx/patches-3.3/027-mtd-bcm47xx-add-serial-flash-driver.patch

@@ -1,22 +1,3 @@
---- a/arch/mips/include/asm/mach-bcm47xx/bus.h
-+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
-@@ -11,6 +11,7 @@
- 
- #include <linux/ssb/ssb.h>
- #include <linux/bcma/bcma.h>
-+#include <linux/mtd/mtd.h>
- #include <bcm47xx.h>
- 
- struct bcm47xx_sflash {
-@@ -28,6 +29,8 @@ struct bcm47xx_sflash {
- 	u32 blocksize;		/* Block size */
- 	u32 numblocks;		/* Number of blocks */
- 	u32 size;		/* Total size in bytes */
-+
-+	struct mtd_info *mtd;
- };
- 
- void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc);
 --- a/drivers/mtd/maps/Kconfig
 +++ b/drivers/mtd/maps/Kconfig
 @@ -257,6 +257,15 @@ config MTD_BCM47XX_PFLASH