dts: arm: st: h7: Correct dma-request value for H743 DMAMUX2

Reduces value of dma-requests to 12 as specified in RM0433

Signed-off-by: Adam Mitchell <[email protected]>

Author: amitchonebrillpower

dts/arm/st/h7/stm32h743.dtsi

@@ -26,7 +26,7 @@
 		};
 
 		dmamux2: dmamux@58025800 {
-			dma-requests= <107>;
+			dma-requests= <12>;
 		};
 
 		usbotg_fs: usb@40080000 {