ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084

Add information about the APQ8084 debug UART physical and virtual
addresses in the DEBUG_QCOM_UARTDM Kconfig help section.

Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com>
Signed-off-by: Kumar Gala <galak@codeaurora.org>

arch/arm/Kconfig.debug

@@ -376,6 +376,7 @@ choice
 		  their output to the serial port on Qualcomm devices.
 
 		  ARCH      DEBUG_UART_PHYS   DEBUG_UART_BASE
+		  APQ8084   0xf995e000        0xfa75e000
 		  MSM8X60   0x19c40000        0xf0040000
 		  MSM8960   0x16440000        0xf0040000
 		  MSM8974   0xf991e000        0xfa71e000