ARM: dts: AM33XX: Add memory resource to d_can node

Add a new address space/memory resource to d_can device tree node. D_CAN
RAM initialization is achieved through RAMINIT register which is part of
AM33XX control module address space. D_CAN RAM init or de-init should be
done by writing instance corresponding value to control module register.

Till we have a separate control module driver to write to control module,
d_can driver will handle the register writes to control module by itself.
So a new address space to represent this control module register is added
to d_can driver.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/am33xx.dtsi

@@ -227,7 +227,8 @@ wdt2: wdt@44e35000 {
 		dcan0: d_can@481cc000 {
 			compatible = "bosch,d_can";
 			ti,hwmods = "d_can0";
-			reg = <0x481cc000 0x2000>;
+			reg = <0x481cc000 0x2000
+				0x44e10644 0x4>;
 			interrupts = <52>;
 			status = "disabled";
 		};
@@ -235,7 +236,8 @@ dcan0: d_can@481cc000 {
 		dcan1: d_can@481d0000 {
 			compatible = "bosch,d_can";
 			ti,hwmods = "d_can1";
-			reg = <0x481d0000 0x2000>;
+			reg = <0x481d0000 0x2000
+				0x44e10644 0x4>;
 			interrupts = <55>;
 			status = "disabled";
 		};