.gitignore: ignore generated u-boot.lds

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/.gitignore b/.gitignore
index 8ccd42a..67d2cd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,7 @@
 /u-boot.ldr
 /u-boot.ldr.hex
 /u-boot.ldr.srec
+/u-boot.lds
 /u-boot-onenand.bin
 /u-boot-flexonenand.bin