efi_loader: default EFI_LOADER=n on ARM11

Some of the ARM11 boards have tight limits on the size of U-Boots. Hence
use EFI_LOADER=n as default on ARM11.

Set EFI_LOADER=y for the Raspberry Pi and Raspberry Pi Zero as these boards
have sufficient storage on the SD card.

Suggested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig
index a7ccab1..9cb6696 100644
--- a/configs/rpi_defconfig
+++ b/configs/rpi_defconfig
@@ -43,3 +43,4 @@
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_EFI_LOADER=y