configs: Add CONFIG_INPUT_PWM_BEEPER=m #4291

Job	Run time
build (arm64, arm64, defconfig, kernel8)	23m 35s
build (bcm2711_rt, arm64, bcm2711_rt_defconfig, kernel8_rt)	24m 40s
build (bcm2709, arm, bcm2709_defconfig, kernel7)	19m 41s
build (bcm2712, arm64, bcm2712_defconfig, kernel_2712)	26m 43s
build (bcm2835, arm, bcm2835_defconfig, kernel)	6m 47s
build (bcmrpi, arm, bcmrpi_defconfig, kernel)	20m 35s
build (bcm2711, arm64, bcm2711_defconfig, kernel8)	25m 58s
	2h 27m 59s

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