trace-cmd: Update to 1.2 (includes kernelshark)

Update the trace-cmd and kernelshark recipes to version 1.2. Rename the recipes
to the more descriptive trace-cmd_1.2.bb and kernelshark_1.2.bb respectively.

Update addldflags.patch for 1.2 and current Upstream-Status (Accepted).

Add make-docs-optional.patch to avoid building the new doc target which
requires asciidocs. We should add asciidocs and properly package the
docs, but for now it's more important to get the sources current.

(From OE-Core rev: 73ac48377491561151658617d8cc45936242eb0c)

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-kernel/trace-cmd/trace-cmd_git.bb

@@ -1,22 +0,0 @@
-DESCRIPTION = "User interface to Ftrace"
-LICENSE = "GPLv2"
-LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe \
-                    file://trace-cmd.c;beginline=6;endline=8;md5=2c22c965a649ddd7973d7913c5634a5e"
-
-SRCREV = "6c696cec3f264a9399241b6e648f58bc97117d49"
-PR = "r2"
-PV = "1.0.5+git${SRCPV}"
-
-inherit pkgconfig
-
-SRC_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git;protocol=git \
-           file://addldflags.patch"
-S = "${WORKDIR}/git"
-
-EXTRA_OEMAKE = "'prefix=${prefix}'"
-
-FILES_${PN}-dbg += "${datadir}/trace-cmd/plugins/.debug/"
-
-do_install() {
-	oe_runmake prefix="${prefix}" DESTDIR="${D}" install
-}