Remove drivers/framebuffer/spec directory

Thanks to the unification of build directories, the sub directories
(rpi, sdl, imx53) do not depend on SPEC values.

Issue #2190

repos/os/recipes/src/fb_sdl/content.mk

@@ -1,2 +1,2 @@
-SRC_DIR = src/drivers/framebuffer/spec/sdl
+SRC_DIR = src/drivers/framebuffer/sdl
 include $(GENODE_DIR)/repos/base/recipes/src/content.inc

repos/os/recipes/src/imx53_qsb_drivers/content.mk

@@ -7,8 +7,8 @@ include/gpio:
 	cp -r $(REP_DIR)/include/gpio $@
 
 src/drivers:
-	mkdir -p $@/framebuffer/spec $@/gpio/spec
+	mkdir -p $@/framebuffer $@/gpio/spec
 	cp -r $(REP_DIR)/src/drivers/gpio/spec/imx $@/gpio/spec/
 	cp -r $(REP_DIR)/src/drivers/gpio/spec/imx53 $@/gpio/spec/
-	cp -r $(REP_DIR)/src/drivers/framebuffer/spec/imx53 $@/framebuffer/spec/
-	cp -r $(REP_DIR)/include/spec/imx53/imx_framebuffer_session $@/framebuffer/spec/imx53/
+	cp -r $(REP_DIR)/src/drivers/framebuffer/imx53 $@/framebuffer/
+	cp -r $(REP_DIR)/include/spec/imx53/imx_framebuffer_session $@/framebuffer/imx53/

repos/os/recipes/src/rpi_fb_drv/content.mk

@@ -1,2 +1,2 @@
-SRC_DIR = src/drivers/framebuffer/spec/rpi
+SRC_DIR = src/drivers/framebuffer/rpi
 include $(GENODE_DIR)/repos/base/recipes/src/content.inc

repos/os/run/input.run

@@ -10,7 +10,7 @@ source ${genode_dir}/repos/base/run/platform_drv.inc
 append_platform_drv_build_components
 
 lappend_if [have_spec ps2] build_components drivers/ps2
-lappend_if [have_spec sdl] build_components drivers/framebuffer/spec/sdl
+lappend_if [have_spec sdl] build_components drivers/framebuffer/sdl
 lappend_if [have_spec sdl] build_components server/nitpicker
 
 build $build_components