soc: introduce the EFR32MG24B210F1536IM48

The EFR32MG24B210F1536IM48 has 4 more GPIOs than the
EFR32MG24B310F1536IM48, and does not support the high accuracy
mode for the IADC.

Signed-off-by: Daniel Fuchs <software@sagacioussuricata.com>

dts/arm/silabs/efr32mg24b210f1536im48.dtsi

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2019 Steven Lemaire
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <silabs/efr32mg24.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(256)>;
+	};
+
+	soc {
+		compatible = "silabs,efr32mg24b210f1536im48",
+					 "silabs,efr32mg24",
+					 "silabs,efr32",
+					 "simple-bus";
+	};
+};
+
+&flash0 {
+	reg = <0x08000000 DT_SIZE_K(1536)>;
+};

soc/silabs/silabs_s2/efr32mg24/Kconfig.soc

@@ -19,15 +19,21 @@ config SOC_PART_NUMBER_EFR32MG24B310F1536IM48
 	bool
 	select SOC_SERIES_EFR32MG24
 
+config SOC_PART_NUMBER_EFR32MG24B210F1536IM48
+	bool
+	select SOC_SERIES_EFR32MG24
+
 config SOC_SERIES
 	default "efr32mg24" if SOC_SERIES_EFR32MG24
 
 config SOC
 	default "efr32mg24b220f1536im48" if SOC_PART_NUMBER_EFR32MG24B220F1536IM48
 	default "efr32mg24b310f1536im48" if SOC_PART_NUMBER_EFR32MG24B310F1536IM48
+	default "efr32mg24b210f1536im48" if SOC_PART_NUMBER_EFR32MG24B210F1536IM48
 	default "efr32mg24b020f1536im40" if SOC_PART_NUMBER_EFR32MG24B020F1536IM40
 
 config SOC_PART_NUMBER
 	default "EFR32MG24B220F1536IM48" if SOC_PART_NUMBER_EFR32MG24B220F1536IM48
 	default "EFR32MG24B310F1536IM48" if SOC_PART_NUMBER_EFR32MG24B310F1536IM48
+	default "EFR32MG24B210F1536IM48" if SOC_PART_NUMBER_EFR32MG24B210F1536IM48
 	default "EFR32MG24B020F1536IM40" if SOC_PART_NUMBER_EFR32MG24B020F1536IM40

soc/silabs/soc.yml

@@ -51,6 +51,7 @@ family:
         socs:
           - name: efr32mg24b220f1536im48
           - name: efr32mg24b310f1536im48
+          - name: efr32mg24b210f1536im48
           - name: efr32mg24b020f1536im40
       - name: efr32bg27
         socs: