dt-bindings: Add snapshot for 5.4-rc2

Add the device-tree bindings' snapshot from tmp-abe0ec5a8133 for
5.4-rc2.

Change-Id: I346809db756dd18a509ce440499d98a7fefecd16

bindings/firmware/cznic,turris-mox-rwtm.txt

@@ -0,0 +1,19 @@
+Turris Mox rWTM firmware driver
+
+Required properties:
+ - compatible		: Should be "cznic,turris-mox-rwtm"
+ - mboxes		: Must contain a reference to associated mailbox
+
+This device tree node should be used on Turris Mox, or potentially another A3700
+compatible device running the Mox's rWTM firmware in the secure processor (for
+example it is possible to flash this firmware into EspressoBin).
+
+Example:
+
+	firmware {
+		turris-mox-rwtm {
+			compatible = "cznic,turris-mox-rwtm";
+			mboxes = <&rwtm 0>;
+			status = "okay";
+		};
+	};

bindings/firmware/qcom,scm.txt

@@ -9,14 +9,16 @@ Required properties:
 - compatible: must contain one of the following:
  * "qcom,scm-apq8064"
  * "qcom,scm-apq8084"
+ * "qcom,scm-ipq4019"
  * "qcom,scm-msm8660"
  * "qcom,scm-msm8916"
  * "qcom,scm-msm8960"
  * "qcom,scm-msm8974"
  * "qcom,scm-msm8996"
  * "qcom,scm-msm8998"
- * "qcom,scm-ipq4019"
+ * "qcom,scm-sc7180"
  * "qcom,scm-sdm845"
+ * "qcom,scm-sm8150"
  and:
  * "qcom,scm"
 - clocks: Specifies clocks needed by the SCM interface, if any: