x86: disable crashlog, ioremap of RAM does not work properly here

SVN-Revision: 28599

target/linux/x86/config-default

@@ -72,6 +72,7 @@ CONFIG_CPU_IDLE_GOV_LADDER=y
 # CONFIG_CPU_SUP_INTEL is not set
 # CONFIG_CPU_SUP_TRANSMETA_32 is not set
 # CONFIG_CPU_SUP_UMC_32 is not set
+# CONFIG_CRASHLOG is not set
 # CONFIG_CS5535_GPIO is not set
 # CONFIG_GPIO_CS5535 is not set
 # CONFIG_CS89x0 is not set