giga: restore prescaler to 0 for TIM1

The granularity of the camera clock was too low otherwise and the camera failed to start

Author: facchinm

loader/boards/arduino_giga_r1_m7.overlay

@@ -59,7 +59,7 @@
 
 &timers1 {
 	status = "okay";
-	st,prescaler = <4>;
+	st,prescaler = <0>;
 
 	pwm1: pwm {
 		status = "okay";
@@ -509,7 +509,7 @@
 		cdc-acm = <&cdc_acm_uart0>;
 		i2cs = <&i2c2>, <&i2c4>, <&i2c1>;
 		spis = <&spi1>, <&spi5>;
-		pwms = <&pwm1 3 PWM_HZ(6000000) PWM_POLARITY_NORMAL>,
+		pwms = <&pwm1 3 PWM_HZ(12000000) PWM_POLARITY_NORMAL>,
 			   <&pwm2 4 PWM_HZ(500) PWM_POLARITY_NORMAL>,
 			   <&pwm2 3 PWM_HZ(500) PWM_POLARITY_NORMAL>,
 			   <&pwm8 1 PWM_HZ(500) PWM_POLARITY_NORMAL>,