powervr: add powervr virtual package

Signed-off-by: Spenser Gilliland <spenser@gillilanding.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Sundareson, Prabindh <prabu@ti.com>
Cc: Peter Korsgaard <jacmet@uclibc.org>
Cc: Sinan Akpolat <sinan@linkas.com.tr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/Config.in

@@ -473,6 +473,7 @@ source "package/opengl/Config.in"
 source "package/pango/Config.in"
 source "package/pixman/Config.in"
 source "package/poppler/Config.in"
+source "package/powervr/Config.in"
 source "package/tiff/Config.in"
 source "package/wayland/Config.in"
 source "package/webkit/Config.in"

package/powervr/Config.in

@@ -0,0 +1,2 @@
+config BR2_PACKAGE_HAS_POWERVR
+	bool

package/powervr/powervr.mk

@@ -0,0 +1,20 @@
+################################################################################
+#
+# Virtual package for PowerVR driver
+#
+################################################################################
+
+POWERVR_SOURCE =
+
+ifeq ($(BR2_PACKAGE_TI_GFX),y)
+POWERVR_DEPENDENCIES += ti-gfx
+endif
+
+ifeq ($(POWERVR_DEPENDENCIES),)
+define POWERVR_CONFIGURE_CMDS
+	echo "No PowerVR implementation selected. Configuration error."
+	exit 1
+endef
+endif
+
+$(eval $(generic-package))