Added missing USB RAM memory map entry for KL28Z.
Added missing USB RAM memory map entry for KL28Z.

Signed-off-by: Chris Reed <ddbbf6166888b293a1c3f06933a7a3227dbb7a9f@freescale.com>

molejar/pyOCD,geky/pyOCD,devanlai/pyOCD,adamgreen/pyOCD,0xc0170/pyOCD,geky/pyOCD,tgarc/pyOCD,0xc0170/pyOCD,mbedmicro/pyOCD,tgarc/pyOCD,oliviermartin/pyOCD,pyocd/pyOCD,geky/pyDAPLink,wjzhang/pyOCD,bridadan/pyOCD,c1728p9/pyOCD,bridadan/pyOCD,mbedmicro/pyOCD,matthewelse/pyOCD,wjzhang/pyOCD,geky/pyOCDgdb,mbedmicro/pyOCD,matthewelse/pyOCD,oliviermartin/pyOCD,adamgreen/pyOCD,wjzhang/pyOCD,tgarc/pyOCD,devanlai/pyOCD,c1728p9/pyOCD,c1728p9/pyOCD,flit/pyOCD,devanlai/pyOCD,molejar/pyOCD,0xc0170/pyOCD,mesheven/pyOCD,mesheven/pyOCD,adamgreen/pyOCD,bridadan/pyOCD,molejar/pyOCD,mesheven/pyOCD,pyocd/pyOCD,matthewelse/pyOCD,flit/pyOCD,oliviermartin/pyOCD