ARM: dts: meson-sm1: add u-boot specific MMC controller compatible

In order to enable the Amlogic SM1 MMC controller fix, we need to add a u-boot specific
MMC controller compatible.

This adds a new meson-sm1-u-boot.dtsi and reworks the other -u-boot.dtsi
to use this for SM1 based boards.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/meson-g12b-a311d-khadas-vim3-u-boot.dtsi b/arch/arm/dts/meson-g12b-a311d-khadas-vim3-u-boot.dtsi
index f66eca1..489efa1 100644
--- a/arch/arm/dts/meson-g12b-a311d-khadas-vim3-u-boot.dtsi
+++ b/arch/arm/dts/meson-g12b-a311d-khadas-vim3-u-boot.dtsi
@@ -4,4 +4,5 @@
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  */
 
+#include "meson-g12-common-u-boot.dtsi"
 #include "meson-khadas-vim3-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-khadas-vim3-u-boot.dtsi b/arch/arm/dts/meson-khadas-vim3-u-boot.dtsi
index b5da4fd..81fd5be 100644
--- a/arch/arm/dts/meson-khadas-vim3-u-boot.dtsi
+++ b/arch/arm/dts/meson-khadas-vim3-u-boot.dtsi
@@ -4,8 +4,6 @@
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  */
 
-#include "meson-g12-common-u-boot.dtsi"
-
 / {
 	aliases {
 		spi0 = &spifc;
diff --git a/arch/arm/dts/meson-sm1-khadas-vim3l-u-boot.dtsi b/arch/arm/dts/meson-sm1-khadas-vim3l-u-boot.dtsi
index f66eca1..a591c0c 100644
--- a/arch/arm/dts/meson-sm1-khadas-vim3l-u-boot.dtsi
+++ b/arch/arm/dts/meson-sm1-khadas-vim3l-u-boot.dtsi
@@ -4,4 +4,5 @@
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  */
 
+#include "meson-sm1-u-boot.dtsi"
 #include "meson-khadas-vim3-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-sm1-odroid-c4-u-boot.dtsi b/arch/arm/dts/meson-sm1-odroid-c4-u-boot.dtsi
index 2a8f054..c431988 100644
--- a/arch/arm/dts/meson-sm1-odroid-c4-u-boot.dtsi
+++ b/arch/arm/dts/meson-sm1-odroid-c4-u-boot.dtsi
@@ -4,7 +4,7 @@
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  */
 
-#include "meson-g12-common-u-boot.dtsi"
+#include "meson-sm1-u-boot.dtsi"
 
 &ethmac {
 	snps,reset-gpio = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
diff --git a/arch/arm/dts/meson-sm1-sei610-u-boot.dtsi b/arch/arm/dts/meson-sm1-sei610-u-boot.dtsi
index 236f246..8ebc1ca 100644
--- a/arch/arm/dts/meson-sm1-sei610-u-boot.dtsi
+++ b/arch/arm/dts/meson-sm1-sei610-u-boot.dtsi
@@ -4,4 +4,4 @@
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  */
 
-#include "meson-g12-common-u-boot.dtsi"
+#include "meson-sm1-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-sm1-u-boot.dtsi b/arch/arm/dts/meson-sm1-u-boot.dtsi
new file mode 100644
index 0000000..e05d4c3
--- /dev/null
+++ b/arch/arm/dts/meson-sm1-u-boot.dtsi
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include "meson-g12-common-u-boot.dtsi"
+
+&sd_emmc_a {
+	compatible = "amlogic,meson-sm1-mmc";
+};
+
+&sd_emmc_b {
+	compatible = "amlogic,meson-sm1-mmc";
+};
+
+&sd_emmc_c {
+	compatible = "amlogic,meson-sm1-mmc";
+};
+