ARM: u300: delete memory.h

Last merge window the memory maps for U300 were simplified so
we can now safely delete memory.h.

Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c
index 89422ee..b200312 100644
--- a/arch/arm/mach-u300/u300.c
+++ b/arch/arm/mach-u300/u300.c
@@ -46,7 +46,7 @@
 
 MACHINE_START(U300, MACH_U300_STRING)
 	/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
-	.atag_offset	= BOOT_PARAMS_OFFSET,
+	.atag_offset	= 0x100,
 	.map_io		= u300_map_io,
 	.init_irq	= u300_init_irq,
 	.timer		= &u300_timer,