ARM: imx_v6_v7_defconfig: Enable imx6/7 hdmi fb device driver

CONFIG_FB_MXC_HDMI=y
CONFIG_FB_MXS_SII902X=y
CONFIG_MXC_HDMI_CEC=y

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>

arch/arm/configs/imx_v6_v7_defconfig

@@ -324,6 +324,8 @@ CONFIG_FB_MXC_RK_PANEL_RK055AHD042=y
 CONFIG_FB_MXC_RK_PANEL_RK055IQH042=y
 CONFIG_FB_MXC_SYNC_PANEL=y
 CONFIG_FB_MXC_LDB=y
+CONFIG_FB_MXC_HDMI=y
+CONFIG_FB_MXS_SII902X=y
 CONFIG_LCD_CLASS_DEVICE=y
 CONFIG_LCD_L4F00242T03=y
 CONFIG_LCD_PLATFORM=y
@@ -467,6 +469,7 @@ CONFIG_SIOX_BUS_GPIO=m
 CONFIG_MXC_IPU=y
 CONFIG_MXC_IPU_V3_PRE=y
 CONFIG_MXC_MLB150=y
+CONFIG_MXC_HDMI_CEC=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y