Makefile: move all Power Architecture boards into boards.cfg

Clean up Makefile, and drop a lot of the config.mk files on the way.

We now also automatically pick all boards that are listed in
boards.cfg (and with all configurations), so we can drop the redundant
entries from MAKEALL to avoid building these twice.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/QS850.h b/include/configs/QS850.h
index de74fee..45b8325 100644
--- a/include/configs/QS850.h
+++ b/include/configs/QS850.h
@@ -53,6 +53,8 @@
 #define CONFIG_QS850		1	/* ...on a QS850 module */
 #define CONFIG_SCC2_ENET	1	/* SCC2 10BaseT ethernet */
 
+#define	CONFIG_SYS_TEXT_BASE	0xFFF00000
+
 /* Select the target clock speed */
 #undef CONFIG_CLOCK_16MHZ		/* cpu=16,777,216 Hz, mem=16Mhz */
 #undef CONFIG_CLOCK_33MHZ		/* cpu=33,554,432 Hz, mem=33Mhz */