pm-graph: parse separated cpu exec line

if cpu exec line was split into different line, there will be an error
when parse it:

  File "/usr/bin/sleepgraph", line 3165, in parseTraceLog
    proclist[name] = int(val[1])
IndexError: list index out of range

check this case and append to parse the unfinished line.

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_5.5.bb

@@ -10,6 +10,7 @@ SRC_URI = "git://github.com/intel/pm-graph.git \
            file://0001-Makefile-fix-multilib-build-failure.patch \
            file://0001-sleepgraph.py-use-python3.patch \
            file://0001-sleepgraph-add-support-for-RT-kernel-ftrace-flags.patch \
+           file://0001-sleepgraph.py-parse-unfished-cpu-exec-line.patch \
 "
 S = "${WORKDIR}/git"