imx-uuc: uses fork(), needs MMU

The imx-uuc source code uses fork(), so it can only be compiled and used
on MMU-capable platforms. This commit adds the necessary Config.in
dependencies to express this.

Fixes:

  http://autobuild.buildroot.net/results/41602c20d4e6a833e72b507792a28b8db74a5f53/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/freescale-imx/imx-uuc/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_IMX_UUC
 	bool "imx-uuc"
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_arm # Only relevant for i.MX
+	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_HOST_DOSFSTOOLS
 	help
 	  This package provides the Universal Adapter user-space
@@ -16,4 +17,5 @@ config BR2_PACKAGE_IMX_UUC
 
 comment "imx-uuc needs a toolchain w/ threads"
 	depends on BR2_arm
+	depends on BR2_USE_MMU
 	depends on !BR2_TOOLCHAIN_HAS_THREADS