kernel: Bump to 6.12.58

kernel: overlays: Add vec-gpio-pi5-overlay
See: raspberrypi/linux#7127

kernel: drivers: i2c: imx708: Use pm_runtime_use_autosuspend()
See: raspberrypi/linux#7128

kernel: mmc: Relax the 50MHz overclock check
See: raspberrypi/linux#7135

kernel: pwm: rp1: Silently correct illegal values
See: raspberrypi/linux#7133

Author: popcornmix

boot/kernel.img

@@ -5832,14 +5832,23 @@ Info:   See vc4-kms-v3d-pi4 (this is the Pi 5 version)
 
 
 Name:   vc4-kms-vga666
-Info:   Enable the VGA666 (resistor ladder ADC) for the vc4-kms-v3d driver.
+Info:   Enable the VGA666 (resistor ladder DAC) for the vc4-kms-v3d driver.
         Requires vc4-kms-v3d to be loaded.
 Load:   dtoverlay=vc4-kms-vga666,<param>
 Params: ddc                     Enables GPIOs 0&1 as the I2C to read the EDID
                                 from the display. NB These are NOT 5V tolerant
                                 GPIOs, therefore level shifters are required.
 
 
+Name:   vec-gpio-pi5
+Info:   Overlay to output composite video as an 8-bit digital code over GPIO
+        pins 4-11, for Raspberry Pi 5 series only. Requires composite video
+        to be enabled; incompatible with any use of DPI or VGA666.
+Load:   dtoverlay=vec-gpio-pi5,<param>
+Params: clk                     Enable GPIO 0 (clock, 108 MHz)
+        gpio27                  Enable GPIO 27 (duplicate MSB)
+
+
 Name:   vga666
 Info:   Overlay for the Fen Logic VGA666 board
         This uses GPIOs 2-21 (so no I2C), and activates the output 2-3 seconds