integratorap: remove hardcoded 32MB memory cmdline

The default configuration for the Integrator AP forces memory to be
32 MB on the command line to the kernel, while we have perfect
information and detection of the actual memory size in the ATAGs.
Delete the confusion.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

include/configs/integratorap.h

@@ -93,7 +93,7 @@
 
 
 #define CONFIG_BOOTDELAY	2
-#define CONFIG_BOOTARGS		"root=/dev/mtdblock0 mem=32M console=ttyAM0 console=tty"
+#define CONFIG_BOOTARGS		"root=/dev/mtdblock0 console=ttyAM0 console=tty"
 #define CONFIG_BOOTCOMMAND	""
 
 /*