MIPS: Alchemy: debug output for compressed kernels

Hook up the compressed debug output for all Alchemy systems supported
by current kernel codebase.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Cc: Wu Zhangjin <wuzhangjin@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/879/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/boot/compressed/uart-alchemy.c

@@ -0,0 +1,7 @@
+#include <asm/mach-au1x00/au1000.h>
+
+void putc(char c)
+{
+	/* all current (Jan. 2010) in-kernel boards */
+	alchemy_uart_putchar(UART0_PHYS_ADDR, c);
+}