[xen stable-4.15] Update Xen version to 4.15.6

[patchbot@xxxxxxx]

commit 4e55b32a8d66388bddb21e327f134f14b1a9b004
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Mar 27 18:23:18 2024 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue Apr 9 17:16:32 2024 +0100

    Update Xen version to 4.15.6
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Makefile b/xen/Makefile
index 3df09c361c..2cd249c308 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -2,7 +2,7 @@
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 15
-export XEN_EXTRAVERSION ?= .5$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .6$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.15