1. Fix build for armhf and arm64
2. upgrade centec tsingma bsp support to 5.10 kernel
3. modify centec platform driver for linux 5.10
Co-authored-by: Shi Lei <shil@centecnetworks.com>
1. undefine led_classdev_register as it is defined in leds.h
2. header file location change
a. linux/i2c/pmbus.h -> linux/pmbus.h
b. linux/i2c-mux-gpio.h -> linux/platform_data/i2c-mux-gpio.h
c. linux/i2c/pca954x.h -> linux/platform_data/pca954x.h