lmb: remove the unused lmb_is_reserved() function

The lmb_is_reserved() API is not used. There is another API,
lmb_is_reserved_flags() which can be used to check if a particular
memory region is reserved. Remove the unused API.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/lmb.h b/include/lmb.h
index 231b68b..6c50d93 100644
--- a/include/lmb.h
+++ b/include/lmb.h
@@ -118,17 +118,6 @@
 phys_size_t lmb_get_free_size(struct lmb *lmb, phys_addr_t addr);
 
 /**
- * lmb_is_reserved() - test if address is in reserved region
- *
- * The function checks if a reserved region comprising @addr exists.
- *
- * @lmb:	the logical memory block struct
- * @addr:	address to be tested
- * Return:	1 if reservation exists, 0 otherwise
- */
-int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr);
-
-/**
  * lmb_is_reserved_flags() - test if address is in reserved region with flag bits set
  *
  * The function checks if a reserved region comprising @addr exists which has
diff --git a/lib/lmb.c b/lib/lmb.c
index 44f9820..adc3abd 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -565,11 +565,6 @@
 	return 0;
 }
 
-int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr)
-{
-	return lmb_is_reserved_flags(lmb, addr, LMB_NONE);
-}
-
 __weak void board_lmb_reserve(struct lmb *lmb)
 {
 	/* please define platform specific board_lmb_reserve() */