bcma_mips: add a const qualifier

Be a bit stricter and add few more 'const' qualifiers.
Signed-off-by: NArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: "Rafał Miłecki" <zajec5@gmail.com>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

drivers/bcma/driver_mips.c

@@ -21,7 +21,7 @@
 #include <linux/serial_reg.h>
 #include <linux/time.h>
 
-static const char *part_probes[] = { "bcm47xxpart", NULL };
+static const char * const part_probes[] = { "bcm47xxpart", NULL };
 
 static struct physmap_flash_data bcma_pflash_data = {
 	.part_probe_types	= part_probes,