linux-intel: fix perf build failure with 4.14 kernel

OE-Core started using Python3 for perf module. But older
kernel such as 4.14 does not have support for python3.

This cause build failure:
| Makefile.config:588: Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev
| Makefile.config:626: Python 3 is not yet supported; please set
| Makefile.config:627: PYTHON and/or PYTHON_CONFIG appropriately.
| Makefile.config:628: If you also have Python 2 installed, then
| Makefile.config:629: try something like:

Backported python3 support, as suggessted here:
https://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/meta/recipes-kernel/perf?id=92469aad50b623afa423c19d82ed2e3c667c5e6a

Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/recipes-kernel/linux/linux-intel-rt_4.14.bb b/recipes-kernel/linux/linux-intel-rt_4.14.bb
index 552f7800..cc95d52c 100644
--- a/recipes-kernel/linux/linux-intel-rt_4.14.bb
+++ b/recipes-kernel/linux/linux-intel-rt_4.14.bb
@@ -13,7 +13,8 @@ KBRANCH = "4.14/preempt-rt"
 KMETA_BRANCH = "yocto-4.14"
 
 # Fix for 32-bit perf issue. Remove when patch is backported to 4.14.
-SRC_URI_append = " file://0001-perf-x86-32-explicitly-include-errno.h.patch"
+SRC_URI_append = " file://0001-perf-x86-32-explicitly-include-errno.h.patch \
+                file://0001-perf-tools-Add-Python-3-support.patch"
 
 DEPENDS += "elfutils-native openssl-native util-linux-native"