reset: dra7: Add a reset driver

Add a reset driver to bring IPs out of reset.

Signed-off-by: Keerthy <j-keerthy@ti.com>
[Amjad: reset_ops structure member "free" has been renamed to "rfree",
use the latter instead]
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile
index d69486b..97e3a78 100644
--- a/drivers/reset/Makefile
+++ b/drivers/reset/Makefile
@@ -30,3 +30,4 @@
 obj-$(CONFIG_RESET_RASPBERRYPI) += reset-raspberrypi.o
 obj-$(CONFIG_RESET_SCMI) += reset-scmi.o
 obj-$(CONFIG_RESET_ZYNQMP) += reset-zynqmp.o
+obj-$(CONFIG_RESET_DRA7) += reset-dra7.o