efibootmgr: fix conflicting types for 'efi_set_verbose'

Since upstream efivar-37 pulibc efi_set_verbose in its
headers [daf3b6c Move verbosity headers to be public],
it is not necessary to delcare in efibootmgr.

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-bsp/efibootmgr/efibootmgr_17.bb

@@ -12,6 +12,7 @@ COMPATIBLE_HOST = "(i.86|x86_64|arm|aarch64).*-linux"
 
 SRCREV = "e067160ecef8208e1944002e5d50b275733211fb"
 SRC_URI = "git://github.com/rhinstaller/efibootmgr.git;protocol=https \
+           file://0001-remove-extra-decl.patch \
           "
 S = "${WORKDIR}/git"
 

meta-oe/recipes-bsp/efibootmgr/files/0001-remove-extra-decl.patch

@@ -0,0 +1,31 @@
+From 99b578501643377e0b1994b2a068b790d189d5ad Mon Sep 17 00:00:00 2001
+From: Peter Jones <pjones@redhat.com>
+Date: Wed, 13 Jun 2018 09:41:01 -0400
+Subject: [PATCH] remove extra decl
+
+Signed-off-by: Peter Jones <pjones@redhat.com>
+
+Upstream-Status: Backport [git://github.com/rhinstaller/efibootmgr.git]
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+
+---
+ src/efibootmgr.c | 3 ---
+ 1 file changed, 3 deletions(-)
+
+diff --git a/src/efibootmgr.c b/src/efibootmgr.c
+index de38f01..4e1a680 100644
+--- a/src/efibootmgr.c
++++ b/src/efibootmgr.c
+@@ -1536,9 +1536,6 @@ parse_opts(int argc, char **argv)
+ 					       "invalid numeric value %s\n",
+ 					       optarg);
+ 			}
+-                        /* XXX efivar-36 accidentally doesn't have a public
+-                         * header for this */
+-			extern int efi_set_verbose(int verbosity, FILE *errlog);
+ 			efi_set_verbose(opts.verbose - 2, stderr);
+ 			break;
+ 		case 'V':
+-- 
+2.7.4
+