rtl8195am - enable USTICKER support
rtl8195am - enable USTICKER support

Signed-off-by: Tony Wu <7d96f1423e8ab604e1604a0ea55fe51a076a8533@realtek.com>

mbedmicro/mbed,andcor02/mbed-os,mbedmicro/mbed,kjbracey-arm/mbed,kjbracey-arm/mbed,mbedmicro/mbed,andcor02/mbed-os,andcor02/mbed-os,andcor02/mbed-os,kjbracey-arm/mbed,mbedmicro/mbed,kjbracey-arm/mbed,andcor02/mbed-os,mbedmicro/mbed,andcor02/mbed-os