imx-lib: remove now-redundant ccache handling

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/freescale-imx/imx-lib/imx-lib.mk

@@ -21,7 +21,7 @@ IMX_LIB_INCLUDE = \
 IMX_LIB_MAKE_ENV = \
 	$(TARGET_MAKE_ENV) \
 	$(TARGET_CONFIGURE_OPTS) \
-	CROSS_COMPILE="$(CCACHE) $(TARGET_CROSS)" \
+	CROSS_COMPILE="$(TARGET_CROSS)" \
 	PLATFORM=$(BR2_PACKAGE_FREESCALE_IMX_PLATFORM) \
 	INCLUDE="$(IMX_LIB_INCLUDE)"