ARM: debug: qcom: add UART addresses to Kconfig help for IPQ4019

Add information about the IPQ4019 debug UART physical and virtual
addresses in the DEBUG_QCOM_UARTDM Kconfig help section.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm/Kconfig.debug

@@ -751,6 +751,7 @@ choice
 		  ARCH      DEBUG_UART_PHYS   DEBUG_UART_VIRT
 		  APQ8064   0x16640000        0xf0040000
 		  APQ8084   0xf995e000        0xfa75e000
+		  IPQ4019   0x078af000        0xf78af000
 		  MSM8X60   0x19c40000        0xf0040000
 		  MSM8960   0x16440000        0xf0040000
 		  MSM8974   0xf991e000        0xfa71e000