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/toradex/apalis-tk1/apalis-tk1.c b/board/toradex/apalis-tk1/apalis-tk1.c
index e7a2186..b97617c 100644
--- a/board/toradex/apalis-tk1/apalis-tk1.c
+++ b/board/toradex/apalis-tk1/apalis-tk1.c
@@ -155,7 +155,7 @@
 	int ret;
 
 	ret = uclass_get_device_by_driver(UCLASS_PMIC,
-					  DM_GET_DRIVER(pmic_as3722), &dev);
+					  DM_DRIVER_GET(pmic_as3722), &dev);
 	if (ret) {
 		pr_err("failed to find AS3722 PMIC: %d\n", ret);
 		return ret;
@@ -194,7 +194,7 @@
 		int ret;
 
 		ret = uclass_get_device_by_driver(UCLASS_PMIC,
-						  DM_GET_DRIVER(pmic_as3722),
+						  DM_DRIVER_GET(pmic_as3722),
 						  &dev);
 		if (ret) {
 			debug("%s: Failed to find PMIC\n", __func__);