minigbm: Remove drv prefix from static backend functions

It doesn't make sense to have the drv prefix for static backend
functions, so remove it.

TEST=minigbm still builds

CQ-DEPEND=CL:370798

Change-Id: I65272162b8c7cf5d3716c7e5fcf0475c35522c47
Reviewed-on: https://chromium-review.googlesource.com/371501
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
diff --git a/mediatek.c b/mediatek.c
index b623f6f..8cf320d 100644
--- a/mediatek.c
+++ b/mediatek.c
@@ -15,9 +15,8 @@
 #include "drv_priv.h"
 #include "helpers.h"
 
-static int drv_mediatek_bo_create(struct bo *bo,
-				  uint32_t width, uint32_t height,
-				  uint32_t format, uint32_t flags)
+static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height,
+			      uint32_t format, uint32_t flags)
 {
 	size_t size;
 	struct drm_mtk_gem_create gem_create;
@@ -43,7 +42,7 @@
 	return 0;
 }
 
-static void *drv_mediatek_bo_map(struct bo *bo)
+static void *mediatek_bo_map(struct bo *bo)
 {
 	int ret;
 	struct drm_mtk_gem_map_off gem_map;
@@ -64,9 +63,9 @@
 const struct backend backend_mediatek =
 {
 	.name = "mediatek",
-	.bo_create = drv_mediatek_bo_create,
+	.bo_create = mediatek_bo_create,
 	.bo_destroy = drv_gem_bo_destroy,
-	.bo_map = drv_mediatek_bo_map,
+	.bo_map = mediatek_bo_map,
 	.format_list = {
 		{DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_RENDERING},
 		{DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR | DRV_BO_USE_LINEAR},