arch/x86: Remove EARLY_EBDA_INIT support

This is unused now.

Change-Id: Ie8bc1d6761d66c5e1dda40c34c940cdba90646d2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36363
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/device/device.c

@@ -1165,13 +1165,8 @@ void dev_initialize(void)
 	printk(BIOS_INFO, "Initializing devices...\n");
 
 #if CONFIG(ARCH_X86)
-	/*
-	 * Initialize EBDA area in ramstage if early
-	 * initialization is not done.
-	 */
-	if (!CONFIG(EARLY_EBDA_INIT))
-		/* Ensure EBDA is prepared before Option ROMs. */
-		setup_default_ebda();
+	/* Ensure EBDA is prepared before Option ROMs. */
+	setup_default_ebda();
 #endif
 
 	/* First call the mainboard init. */