Corrected UARTPeriphID2 register

The 3rd value of 'pl011_id_arm[8]' should be 0x34, not 0x14.

For more details, see the peripheral's official specification: PrimeCell® UART (PL011), Revision: r1p4, Technical Reference Manual, available online at: http://infocenter.arm.com/help/topic/com.arm.doc.ddi0183f/DDI0183.pdf
The register is described on page 3-24.