TV: Extracted RP2040/2350 flash driver part only. Fixed style problems. Change-Id: I88a7d5aa0a239ae93d72bd5671686b19c6ca11ad Signed-off-by: Tomas Vanek <vanekt@fbl.cz> Signed-off-by: graham sanderson <graham.sanderson@raspberrypi.com> Reviewed-on: https://review.openocd.org/c/openocd/+/8440 Tested-by: jenkins