[xen stable-4.9] ipxe: update to newer commit

[patchbot@xxxxxxx]

commit 6e477c2ea4d5c26a7a7b2f850166aa79edc5225c
Author:     Wei Liu <wei.liu2@xxxxxxxxxx>
AuthorDate: Mon Jun 12 16:04:17 2017 +0100
Commit:     Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
CommitDate: Fri Jun 12 17:01:39 2020 +0100

    ipxe: update to newer commit
    
    To get 5f85cbb9ee1c00cec81a848a9e871ad5d1e7f53f to placate gcc 7.
    
    The only patch we have applies cleanly.
    
    Reported-by: Zhongze Liu <blackskygg@xxxxxxxxx>
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
    (cherry picked from commit 461b2165346de236fff2d00d1c318062f1daab08)
---
 tools/firmware/etherboot/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/firmware/etherboot/Makefile 
b/tools/firmware/etherboot/Makefile
index 459a1e22e6..89d9ace8c8 100644
--- a/tools/firmware/etherboot/Makefile
+++ b/tools/firmware/etherboot/Makefile
@@ -10,7 +10,7 @@ else
 IPXE_GIT_URL ?= git://git.ipxe.org/ipxe.git
 endif
 
-IPXE_GIT_TAG := 827dd1bfee67daa683935ce65316f7e0f057fe1c
+IPXE_GIT_TAG := 356f6c1b64d7a97746d1816cef8ca22bdd8d0b5d
 
 IPXE_TARBALL_URL ?= $(XEN_EXTFILES_URL)/ipxe-git-$(IPXE_GIT_TAG).tar.gz
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.9