GSD-2022-1005643 pwm: lpc18xx: Fix period handling

pwm: lpc18xx: Fix period handling This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.61 by commit 0491709eb3a685f2688ede47f6c663d66b5148c8, i...