ARM: picoxcell: move debug macros to include/debug

Move picoxcell debug-macro.S over to common debug macro directory.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jamie Iles <jamie@jamieiles.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index aa56934..b74ed97 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -268,6 +268,13 @@
 		  Say Y here if you want kernel low-level debugging support
 		  on MVEBU based platforms.
 
+	config DEBUG_PICOXCELL_UART
+		depends on ARCH_PICOXCELL
+		bool "Use PicoXcell UART for low-level debug"
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on PicoXcell based platforms.
+
 	config DEBUG_REALVIEW_STD_PORT
 		bool "RealView Default UART"
 		depends on ARCH_REALVIEW
@@ -392,6 +399,7 @@
 	default "debug/icedcc.S" if DEBUG_ICEDCC
 	default "debug/highbank.S" if DEBUG_HIGHBANK_UART
 	default "debug/mvebu.S" if DEBUG_MVEBU_UART
+	default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART
 	default "debug/socfpga.S" if DEBUG_SOCFPGA_UART
 	default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
 		DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1