pm-graph: fix time format parse error

Time format in dmesg has been changed from "%Y-%m-%d %H:%M:%S" to
"%Y-%m-%dT%H:%M:%S", backport an upstream patch to fix this error.

Signed-off-by: Liwei Song <liwei.song@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-kernel/pm-graph/pm-graph/0001-bootgraph.py.patch

@@ -0,0 +1,32 @@
+From 0c94e32b218c31f31a7988577fb9bec595034e7b Mon Sep 17 00:00:00 2001
+From: Todd Brandt <todd.e.brandt@linux.intel.com>
+Date: Fri, 10 May 2019 15:10:35 -0700
+Subject: [PATCH] bootgraph.py: - handle boot time start grep better, the regex
+ needs more complexity
+
+Upstream-Status: Backport [https://github.com/intel/pm-graph/commit/0c94e32b218c31f31a7988577fb9bec595034e7b]
+
+Signed-off-by: Liwei Song <liwei.song@windriver.com>
+---
+ bootgraph.py | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/bootgraph.py b/bootgraph.py
+index a2b1b1897307..d7f4bd152bf1 100755
+--- a/bootgraph.py
++++ b/bootgraph.py
+@@ -333,9 +333,9 @@ def parseKernelLog():
+ 			if(not sysvals.stamp['kernel']):
+ 				sysvals.stamp['kernel'] = sysvals.kernelVersion(msg)
+ 			continue
+-		m = re.match('.* setting system clock to (?P<t>.*) UTC.*', msg)
++		m = re.match('.* setting system clock to (?P<d>[0-9\-]*)[ A-Z](?P<t>[0-9:]*) UTC.*', msg)
+ 		if(m):
+-			bt = datetime.strptime(m.group('t'), '%Y-%m-%d %H:%M:%S')
++			bt = datetime.strptime(m.group('d')+' '+m.group('t'), '%Y-%m-%d %H:%M:%S')
+ 			bt = bt - timedelta(seconds=int(ktime))
+ 			data.boottime = bt.strftime('%Y-%m-%d_%H:%M:%S')
+ 			sysvals.stamp['time'] = bt.strftime('%B %d %Y, %I:%M:%S %p')
+-- 
+2.22.0
+

meta-oe/recipes-kernel/pm-graph/pm-graph_5.3.bb

@@ -7,7 +7,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=12f884d2ae1ff87c09e5b7ccc2c4ca7e"
 
 SRCREV = "5be9a16547234cef5aca8bfaccd920490ea1cfa7"
 SRC_URI = "git://github.com/intel/pm-graph.git \
-           file://0001-Makefile-fix-multilib-build-failure.patch"
+           file://0001-Makefile-fix-multilib-build-failure.patch \
+           file://0001-bootgraph.py.patch \
+"
 S = "${WORKDIR}/git"
 
 COMPATIBLE_HOST='(i.86|x86_64).*'