dts: arm: adi: Proper MAX32690 sram7 size

Correct the MAX32690 sram7 node's size to 192K, matching the hardware.

Signed-off-by: Pete Johanson <[email protected]>

Author: petejohanson-adi

dts/arm/adi/max32/max32690.dtsi

@@ -100,7 +100,7 @@
 
 		sram7: memory@200d0000 {
 			compatible = "mmio-sram";
-			reg = <0x200d0000 DT_SIZE_K(64)>;
+			reg = <0x200d0000 DT_SIZE_K(192)>;
 		};
 
 		spixf: spixf@40027000 {