mach-u300: retire odd singlemem variant

The U300 had a special variant where a memory was shared
between two CPU:s and only one part of memory was
accessible for the kernel. However it is now seriously
legacy and only create problems for kernel consolidation,
so let's retire it.

Cc: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/mach-u300/Makefile.boot b/arch/arm/mach-u300/Makefile.boot
index 6fbfc6e..a06bb0d 100644
--- a/arch/arm/mach-u300/Makefile.boot
+++ b/arch/arm/mach-u300/Makefile.boot
@@ -1,15 +1,4 @@
-# Note: the following conditions must always be true:
-#   ZRELADDR == virt_to_phys(TEXTADDR)
-#   PARAMS_PHYS must be within 4MB of ZRELADDR
-#   INITRD_PHYS must be in RAM
-
-ifdef CONFIG_MACH_U300_SINGLE_RAM
-     zreladdr-y	:= 0x28E08000
-  params_phys-y	:= 0x28E00100
-else
-     zreladdr-y	:= 0x48008000
-  params_phys-y	:= 0x48000100
-endif
-
+   zreladdr-y	:= 0x48008000
+params_phys-y	:= 0x48000100
 # This isn't used.
-#initrd_phys-y	:= 0x29800000
+#initrd_phys-y	:= 0x48800000