dm: Rename DM_GET_DRIVER() to DM_DRIVER_GET()

In the spirit of using the same base name for all of these related macros,
rename this to have the operation at the end. This is not widely used so
the impact is fairly small.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/st/common/stm32mp_dfu.c b/board/st/common/stm32mp_dfu.c
index aab7d74..9c3d115 100644
--- a/board/st/common/stm32mp_dfu.c
+++ b/board/st/common/stm32mp_dfu.c
@@ -163,7 +163,7 @@
 	int ret;
 
 	ret = uclass_get_device_by_driver(UCLASS_MISC,
-					  DM_GET_DRIVER(stm32mp_bsec),
+					  DM_DRIVER_GET(stm32mp_bsec),
 					  &dev);
 	if (ret)
 		return ret;
@@ -184,7 +184,7 @@
 	struct udevice *dev;
 
 	ret = uclass_get_device_by_driver(UCLASS_MISC,
-					  DM_GET_DRIVER(stpmic1_nvm),
+					  DM_DRIVER_GET(stpmic1_nvm),
 					  &dev);
 	if (ret)
 		return ret;