kernel: Bump to 4.19.42

kernel: Added IQaudIO Pi-Codec board support
See: raspberrypi/linux#2969

kernel: Revert video: bcm2708_fb: Try allocating on the ARM and passing to VPU
See: raspberrypi/linux#2970

kernel: mmal-vchiq memory leak fixes
See: raspberrypi/linux#2960

Author: popcornmix

boot/kernel.img

@@ -1160,6 +1160,12 @@ Params: interrupt               GPIO used for interrupt (default 4)
                                 touchscreen (in pixels)
 
 
+Name:   iqaudio-codec
+Info:   Configures the IQaudio Codec audio card
+Load:   dtoverlay=iqaudio-codec
+Params: <None>
+
+
 Name:   iqaudio-dac
 Info:   Configures the IQaudio DAC audio card
 Load:   dtoverlay=iqaudio-dac,<param>