x86, mtrr: replace MTRRfix16K_80000_MSR with msr-index's MSR_MTRRfix16K_80000

Use standard msr-index.h's MSR declaration and no need to declare again

[ Impact: cleanup, no object code change ]
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/x86/kernel/cpu/mtrr/generic.c

@@ -21,7 +21,7 @@ struct fixed_range_block {
 
 static struct fixed_range_block fixed_range_blocks[] = {
 	{ MSR_MTRRfix64K_00000, 1 }, /* one  64k MTRR  */
-	{ MTRRfix16K_80000_MSR, 2 }, /* two  16k MTRRs */
+	{ MSR_MTRRfix16K_80000, 2 }, /* two  16k MTRRs */
 	{ MTRRfix4K_C0000_MSR,  8 }, /* eight 4k MTRRs */
 	{}
 };
@@ -197,7 +197,7 @@ get_fixed_ranges(mtrr_type * frs)
 	rdmsr(MSR_MTRRfix64K_00000, p[0], p[1]);
 
 	for (i = 0; i < 2; i++)
-		rdmsr(MTRRfix16K_80000_MSR + i, p[2 + i * 2], p[3 + i * 2]);
+		rdmsr(MSR_MTRRfix16K_80000 + i, p[2 + i * 2], p[3 + i * 2]);
 	for (i = 0; i < 8; i++)
 		rdmsr(MTRRfix4K_C0000_MSR + i, p[6 + i * 2], p[7 + i * 2]);
 }

arch/x86/kernel/cpu/mtrr/mtrr.h

@@ -7,7 +7,6 @@
 
 #define MTRRdefType_MSR 0x2ff
 
-#define MTRRfix16K_80000_MSR 0x258
 #define MTRRfix16K_A0000_MSR 0x259
 #define MTRRfix4K_C0000_MSR 0x268
 #define MTRRfix4K_C8000_MSR 0x269