Complete the partial code below to turn on GPIO port clocks to Ports A, B, and D without affecting any other port clocks utilizing read-modify-write procedure. Assume all provided code is correct, and select the correct register (XX) and the missing line of code (YY) from the choices below. SIM_SCGC5 EQU 0x40048038; bits 13-9 control clocks for Port E-A, respectively LDR R1,=SIM_SCGC5; load config. reg. address LDR R2, [R1] YY ORRS R2, XX STR R2, [R1] A) XX = R3, YY = LDR R3, =0x1600 B) XX = R3, YY = LDR R3, =0x0BOO C) XX = R4, YY = LDR R4, =0x0BOO D) XX = R2, YY = LDR R2, =0x1600