drm/bochs: fix include notation and remove -Iinclude/drm flag

Include <drm/*.h> instead of relative path from include/drm, then
remove the -Iinclude/drm compiler flag.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-6-git-send-email-yamada.masahiro@socionext.com

drivers/gpu/drm/bochs/Makefile

@@ -1,4 +1,3 @@
-ccflags-y := -Iinclude/drm
 bochs-drm-y := bochs_drv.o bochs_mm.o bochs_kms.o bochs_fbdev.o bochs_hw.o
 
 obj-$(CONFIG_DRM_BOCHS)	+= bochs-drm.o

drivers/gpu/drm/bochs/bochs.h

@@ -9,8 +9,8 @@
 
 #include <drm/drm_gem.h>
 
-#include <ttm/ttm_bo_driver.h>
-#include <ttm/ttm_page_alloc.h>
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_page_alloc.h>
 
 /* ---------------------------------------------------------------------- */