boards: correct cpuapp_sram for nRF54l15 boards

Without flipper we can use the full 256k for cpuapp_sram. This resolves
a warning in VS Code.

Signed-off-by: Eivind Jølsgard <[email protected]>

Author: eivindj-nordic

boards/nordic/lite_nrf54l15/lite_nrf54l15_cpuapp_common.dtsi

@@ -13,6 +13,11 @@
 	};
 };
 
+/* Adjust the cpuapp_sram node to use all of SRAM for application CPU. */
+&cpuapp_sram {
+	reg = <0x20000000 DT_SIZE_K(256)>;
+	ranges = <0x0 0x20000000 DT_SIZE_K(256)>;
+};
 
 &grtc {
 	owned-channels = <0 1 2 3 4 5 6 7 8 9 10 11>;

boards/nordic/lite_nrf54l15_template/cpuapp_common.dtsi

@@ -13,7 +13,11 @@
 	};
 };
 
-
+/* Adjust the cpuapp_sram node to use all of SRAM for application CPU. */
+&cpuapp_sram {
+	reg = <0x20000000 DT_SIZE_K(256)>;
+	ranges = <0x0 0x20000000 DT_SIZE_K(256)>;
+};
 
 &grtc {
 	owned-channels = <0 1 2 3 4 5 6 7 8 9 10 11>;