Enable keyboard for x86

This is required for qemu like descripted in
here http://wiki.openwrt.org/doc/howto/qemu

SVN-Revision: 30966

target/linux/x86/config-default

@@ -164,6 +164,8 @@ CONFIG_HW_RANDOM_VIA=y
 # CONFIG_IBM_RTL is not set
 CONFIG_ILLEGAL_POINTER_VALUE=0
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INPUT=y
+CONFIG_INPUT_KEYBOARD=y
 CONFIG_INSTRUCTION_DECODER=y
 # CONFIG_IOMMU_API is not set
 # CONFIG_IOMMU_HELPER is not set
@@ -190,6 +192,7 @@ CONFIG_KALLSYMS=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_LZMA is not set
 CONFIG_KEXEC=y
+CONFIG_KEYBOARD_ATKBD=y
 CONFIG_KTIME_SCALAR=y
 # CONFIG_M386 is not set
 CONFIG_M486=y