package/freescale-imx/imx-gpu-viv: use make loops instead of shell loops

We generally prefer using make loops instead of shell loops. They
bring automatic error handling, as they abort the loop when there is
an error, without the need for "|| exit 1".

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Reviewed-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/freescale-imx/imx-gpu-viv/imx-gpu-viv.mk

@@ -52,9 +52,9 @@ define IMX_GPU_VIV_FIXUP_PKGCONFIG
 endef
 else ifeq ($(IMX_GPU_VIV_LIB_TARGET),x11)
 define IMX_GPU_VIV_FIXUP_PKGCONFIG
-	for lib in egl gbm glesv1_cm glesv2 vg; do \
-		ln -sf $${lib}_x11.pc $(@D)/gpu-core/usr/lib/pkgconfig/$${lib}.pc || exit 1; \
-	done
+	$(foreach lib,egl gbm glesv1_cm glesv2 vg, \
+		ln -sf $(lib)_x11.pc $(@D)/gpu-core/usr/lib/pkgconfig/$(lib).pc
+	)
 endef
 endif
 
@@ -63,9 +63,9 @@ endif
 # Make sure these commands are idempotent.
 define IMX_GPU_VIV_BUILD_CMDS
 	cp -dpfr $(@D)/gpu-core/usr/lib/$(IMX_GPU_VIV_LIB_TARGET)/* $(@D)/gpu-core/usr/lib/
-	for backend in fb x11 wayland; do \
-		$(RM) -r $(@D)/gpu-core/usr/lib/$$backend ; \
-	done
+	$(foreach backend,fb x11 wayland, \
+		$(RM) -r $(@D)/gpu-core/usr/lib/$(backend)
+	)
 	$(IMX_GPU_VIV_FIXUP_PKGCONFIG)
 endef