arm: x86: Drop command-line code when CONFIG_CMDLINE is disabled

Update the link script to drop this code when not needed. This is only done
for two architectures at present.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

arch/arm/cpu/u-boot.lds

@@ -14,6 +14,9 @@ OUTPUT_ARCH(arm)
 ENTRY(_start)
 SECTIONS
 {
+#ifndef CONFIG_CMDLINE
+	/DISCARD/ : { *(.u_boot_list_2_cmd_*) }
+#endif
 #if defined(CONFIG_ARMV7_SECURE_BASE) && defined(CONFIG_ARMV7_NONSEC)
 	/*
 	 * If CONFIG_ARMV7_SECURE_BASE is true, secure code will not

arch/x86/cpu/u-boot.lds

@@ -12,6 +12,10 @@ ENTRY(_start)
 
 SECTIONS
 {
+#ifndef CONFIG_CMDLINE
+	/DISCARD/ : { *(.u_boot_list_2_cmd_*) }
+#endif
+
 	. = CONFIG_SYS_TEXT_BASE;	/* Location of bootcode in flash */
 	__text_start = .;
 	.text  : { *(.text*); }