arch/powerpc/cpu/mpc86xx/cpu.c: Fix GCC 4.6 build warning

Fix:
cpu.c: In function 'checkcpu':
cpu.c:51:7: warning: variable 'ver' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc86xx/cpu.c

@@ -48,7 +48,6 @@ checkcpu(void)
 {
 	sys_info_t sysinfo;
 	uint pvr, svr;
-	uint ver;
 	uint major, minor;
 	char buf1[32], buf2[32];
 	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
@@ -57,7 +56,6 @@ checkcpu(void)
 	uint msscr0 = mfspr(MSSCR0);
 
 	svr = get_svr();
-	ver = SVR_SOC_VER(svr);
 	major = SVR_MAJ(svr);
 	minor = SVR_MIN(svr);
 
@@ -77,7 +75,6 @@ checkcpu(void)
 	puts("Core:  ");
 
 	pvr = get_pvr();
-	ver = PVR_E600_VER(pvr);
 	major = PVR_E600_MAJ(pvr);
 	minor = PVR_E600_MIN(pvr);