arm64: defconfig: enable drivers for Verdin AM62

Enable drivers used on Verdin AM62 [1] as modules:
 * PWM driver support for the EHRPWM controller
 * TC358768 parallel RGB to DSI bridge
 * SN65DSI83 DSI to LVDS bridge

[1] https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62



Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230601131332.26877-3-francesco@dolcini.it


Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>