mesa-hostmot2/pktuart.c:  silence compiler warning
mesa-hostmot2/pktuart.c:  silence compiler warning

    Compiling realtime hal/drivers/mesa-hostmot2/pktuart.c
    hal/drivers/mesa-hostmot2/pktuart.c: In function 'hm2_pktuart_setup':
    hal/drivers/mesa-hostmot2/pktuart.c:233:27: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
	     if ( (buff >> 22) & 0xff == 0x0) {
			       ^

strahlex/machinekit,strahlex/machinekit,strahlex/machinekit,strahlex/machinekit,strahlex/machinekit,strahlex/machinekit,strahlex/machinekit