libz160: fix dependencies

libz160 is provided as binary. We need EABI toolchain with glibc to use
it.

[Thomas: adjust dependency comment according to Yann suggestions.]

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/freescale-imx/libz160/Config.in

@@ -1,5 +1,10 @@
 config BR2_PACKAGE_LIBZ160
 	bool "libz160"
+	depends on BR2_ARM_EABI
+	depends on BR2_TOOLCHAIN_USES_GLIBC
 	help
 	  An API for user space programs to perform 2D accelerated graphics
 	  operations on AMD GPU (included for examples in iMX5x chipsets)
+
+comment "libz160 needs an EABI toolchain w/ (e)glibc"
+	depends on !BR2_ARM_EABI || !BR2_TOOLCHAIN_USES_GLIBC