LINARO: lt-mx5_defconfig: make GPU driver built-in

BugLink: http://bugs.launchpad.net/bugs/901508

Signed-off-by: Eric Miao <eric.miao@linaro.org>
diff --git a/arch/arm/configs/lt-mx5_defconfig b/arch/arm/configs/lt-mx5_defconfig
index cb08021..bf03b9b 100644
--- a/arch/arm/configs/lt-mx5_defconfig
+++ b/arch/arm/configs/lt-mx5_defconfig
@@ -1281,7 +1281,7 @@
 CONFIG_MWIFIEX=m
 CONFIG_MWIFIEX_SDIO=m
 CONFIG_MX51_EFIKA_COMMON=y
-CONFIG_MXC_AMD_GPU=m
+CONFIG_MXC_AMD_GPU=y
 CONFIG_MXC_DEBUG_BOARD=y
 CONFIG_MXC_IIM=y
 CONFIG_MXC_IPU=y