MIPS: IP32: Two symbols can become static

The file arch/mips/mm/sc-rm7k.c needlessly defines two global symbols:

rm7k_sc_ops
rm7k_tcache_enabled

This patch makes these symbols static.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/mm/sc-rm7k.c

@@ -29,7 +29,7 @@ extern unsigned long icache_way_size, dcache_way_size;
 
 #include <asm/r4kcache.h>
 
-int rm7k_tcache_enabled;
+static int rm7k_tcache_enabled;
 
 /*
  * Writeback and invalidate the primary cache dcache before DMA.
@@ -121,7 +121,7 @@ static void rm7k_sc_disable(void)
 	clear_c0_config(RM7K_CONF_SE);
 }
 
-struct bcache_ops rm7k_sc_ops = {
+static struct bcache_ops rm7k_sc_ops = {
 	.bc_enable = rm7k_sc_enable,
 	.bc_disable = rm7k_sc_disable,
 	.bc_wback_inv = rm7k_sc_wback_inv,