ARM: dts: qcom: apq8026-lg-lenok: add missing reserved memory

Turns out these two memory regions also need to be avoided, otherwise
weird things will happen when Linux tries to use this memory.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230308-lenok-reserved-memory-v1-1-b8bf6ff01207@z3ntu.xyz

arch/arm/boot/dts/qcom-apq8026-lg-lenok.dts

@@ -27,6 +27,16 @@ chosen {
 	};
 
 	reserved-memory {
+		sbl_region: sbl@2f00000 {
+			reg = <0x02f00000 0x100000>;
+			no-map;
+		};
+
+		external_image_region: external-image@3100000 {
+			reg = <0x03100000 0x200000>;
+			no-map;
+		};
+
 		adsp_region: adsp@3300000 {
 			reg = <0x03300000 0x1400000>;
 			no-map;