lmb: Remove lmb_alloc_addr_flags()

lmb_alloc_addr() is just calling lmb_alloc_addr_flags() with LMB_NONE
There's not much we gain from this abstraction, so let's remove the
latter, add a flags argument to lmb_alloc_addr() and make the code a
bit easier to follow.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index edd7da7..34e2b9e 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -490,7 +490,7 @@
 			return EFI_NOT_FOUND;
 
 		addr = map_to_sysmem((void *)(uintptr_t)*memory);
-		addr = (u64)lmb_alloc_addr_flags(addr, len, flags);
+		addr = (u64)lmb_alloc_addr(addr, len, flags);
 		if (!addr)
 			return EFI_NOT_FOUND;
 		break;