MIPS: Malta: Sanitize mouse and keyboard configuration.

While rarely used the Malta has fully functional PS/2 mouse and keyboard
ports.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: James Hogan <jhogan@kernel.org>
diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig
index 04827bc..be29fce 100644
--- a/arch/mips/configs/maltasmvp_eva_defconfig
+++ b/arch/mips/configs/maltasmvp_eva_defconfig
@@ -130,6 +130,7 @@
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 # CONFIG_WLAN is not set
+CONFIG_INPUT_MOUSEDEV=y
 # CONFIG_VT is not set
 CONFIG_LEGACY_PTY_COUNT=4
 CONFIG_SERIAL_8250=y