x86, microcode, intel: Add missing static declarations

gcc reports that a few declarations are missing.
Fix two obvious ones.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Link: http://lkml.kernel.org/r/1406146251-8540-1-git-send-email-hmh@hmh.eng.br
Signed-off-by: Borislav Petkov <bp@suse.de>

arch/x86/kernel/cpu/microcode/intel_early.c

@@ -28,8 +28,8 @@
 #include <asm/tlbflush.h>
 #include <asm/setup.h>
 
-unsigned long mc_saved_in_initrd[MAX_UCODE_COUNT];
-struct mc_saved_data {
+static unsigned long mc_saved_in_initrd[MAX_UCODE_COUNT];
+static struct mc_saved_data {
 	unsigned int mc_saved_count;
 	struct microcode_intel **mc_saved;
 } mc_saved_data;