bootchart2: Fix manpage reproducibility issue

The compressed docs contained a timestamp of the original file which
meant the SDE clamping during package creation didn't work. The
benefits of compression are minor, decompress the files to avoid
the reproducibility issues.

(From OE-Core rev: a3b59a67bea16899b57a0d187120c988495da4d5)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/cases/reproducible.py

@@ -28,7 +28,6 @@ import datetime
 # ruby-ri-docs, meson:
 #https://autobuilder.yocto.io/pub/repro-fail/oe-reproducible-20210215-0_td9la2/packages/diff-html/
 exclude_packages = [
-	'bootchart2-doc',
 	'efivar',
 	'glide',
 	'go-dep',

meta/recipes-devtools/bootchart2/bootchart2_0.14.9.bb

@@ -139,6 +139,9 @@ do_install () {
 
    # Use python 3 instead of python 2
    sed -i -e '1s,#!.*python.*,#!${USRBINPATH}/env python3,' ${D}${bindir}/pybootchartgui
+
+    # The timestamps embedded in compressed man pages is not reproducible
+    gzip -d ${D}${mandir}/man1/*.gz
 }
 
 PACKAGES =+ "pybootchartgui"