ANDROID: arch:arm64: Increase kernel command line size

Android passes a lot of arguments via kernel command line.
Current kernel command line is close to limit on a lot of devices.

Increase kernel command line size to avoid cases when arguments
are trimmed.

Bug: 120817253
Change-Id: I18fc3a066273718fce021d85ca31e3f755706a13
Signed-off-by: Syuan Yang <syuanyang@google.com>
diff --git a/arch/arm64/include/uapi/asm/setup.h b/arch/arm64/include/uapi/asm/setup.h
index 9cf2e46..7474c81 100644
--- a/arch/arm64/include/uapi/asm/setup.h
+++ b/arch/arm64/include/uapi/asm/setup.h
@@ -21,6 +21,6 @@
 
 #include <linux/types.h>
 
-#define COMMAND_LINE_SIZE	2048
+#define COMMAND_LINE_SIZE	4096
 
 #endif