configs: Add Freescale MX53 support

Buildroot config and Linux Kernel config.
Freescale binaries (xf86 video driver and multimedia codecs) not supported yet.

Signed-off-by: Mathieu Briand <mbriand@adeneo-embedded.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

configs/mx53loco_defconfig

@@ -0,0 +1,18 @@
+# Architecture
+BR2_arm=y
+BR2_cortex_a8=y
+
+# System
+BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BOARDNAME="mx53_loco"
+BR2_TARGET_UBOOT_CUSTOM_GIT=y
+BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL="http://opensource.freescale.com/pub/scm/imx/uboot-imx.git"
+BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION="rel_imx_2.6.35_11.09.01"
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_GIT=y
+BR2_LINUX_KERNEL_CUSTOM_GIT_REPO_URL="http://opensource.freescale.com/pub/scm/imx/linux-2.6-imx.git"
+BR2_LINUX_KERNEL_CUSTOM_GIT_VERSION="rel_imx_2.6.35_11.09.01"
+BR2_LINUX_KERNEL_DEFCONFIG="imx5"