minigbm: Remove _HW_ from BO_USE_HW_CAMERA_* usage flags

Camera is supposed to mean camera hardware and the superfluous _HW_ does
not give us anything other than making the names longer.

BUG=b:62358788
TEST=compile

Change-Id: I3608470f17efe700fa43901167fa614ff9eac09c
Reviewed-on: https://chromium-review.googlesource.com/566774
Commit-Ready: Tomasz Figa <tfiga@chromium.org>
Tested-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
diff --git a/drv.h b/drv.h
index b3c1c11..c92d0ca 100644
--- a/drv.h
+++ b/drv.h
@@ -33,8 +33,8 @@
 #define BO_USE_EXTERNAL_DISP		(1ull << 10)
 #define BO_USE_PROTECTED		(1ull << 11)
 #define BO_USE_HW_VIDEO_ENCODER		(1ull << 12)
-#define BO_USE_HW_CAMERA_WRITE		(1ull << 13)
-#define BO_USE_HW_CAMERA_READ		(1ull << 14)
+#define BO_USE_CAMERA_WRITE		(1ull << 13)
+#define BO_USE_CAMERA_READ		(1ull << 14)
 #define BO_USE_RENDERSCRIPT		(1ull << 16)
 #define BO_USE_TEXTURE			(1ull << 17)