x86: add missing l1 cache shift change

SVN-Revision: 24072

target/linux/x86/config-default

@@ -394,7 +394,7 @@ CONFIG_X86_INTERNODE_CACHE_BYTES=64
 CONFIG_X86_INVLPG=y
 CONFIG_X86_IO_APIC=y
 CONFIG_X86_L1_CACHE_BYTES=64
-CONFIG_X86_L1_CACHE_SHIFT=4
+CONFIG_X86_L1_CACHE_SHIFT=6
 CONFIG_X86_LOCAL_APIC=y
 # CONFIG_X86_LONGHAUL is not set
 # CONFIG_X86_LONGRUN is not set