efi_loader: remove CONFIG_EFI_SETUP_EARLY

Since the commit a9bf024b2933 ("efi_loader: disk: a helper function to
create efi_disk objects from udevice"), CONFIG_EFI_SETUP_EARLY option is
by default on and will never be turned off.

So just remove this option.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/common/board_r.c b/common/board_r.c
index db9cfb3..f7fb7df 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -694,7 +694,7 @@
 	/* initialize higher level parts of CPU like time base and timers */
 	cpu_init_r,
 #endif
-#ifdef CONFIG_EFI_SETUP_EARLY
+#ifdef CONFIG_EFI_LOADER
 	efi_init_early,
 #endif
 #ifdef CONFIG_CMD_NAND