x86/umip: Make umip_insns static

Fix the following sparse warning:
  arch/x86/kernel/umip.c:84:12: warning: symbol 'umip_insns' was not declared.
  Should it be static?

Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Jason Yan <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Ricardo Neri <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

Author: JasonYanHw

arch/x86/kernel/umip.c

@@ -81,7 +81,7 @@
 #define	UMIP_INST_SLDT  3       /* 0F 00 /0 */
 #define	UMIP_INST_STR   4       /* 0F 00 /1 */
 
-const char * const umip_insns[5] = {
+static const char * const umip_insns[5] = {
 	[UMIP_INST_SGDT] = "SGDT",
 	[UMIP_INST_SIDT] = "SIDT",
 	[UMIP_INST_SMSW] = "SMSW",