meta-openembedded and poky: subtree updates

Squash of the following due to dependencies among them
and OpenBMC changes:

meta-openembedded: subtree update:d0748372d2..9201611135
meta-openembedded: subtree update:9201611135..17fd382f34
poky: subtree update:9052e5b32a..2e11d97b6c
poky: subtree update:2e11d97b6c..a8544811d7

The change log was too large for the jenkins plugin
to handle therefore it has been removed. Here is
the first and last commit of each subtree:

meta-openembedded:d0748372d2
      cppzmq: bump to version 4.6.0
meta-openembedded:17fd382f34
      mpv: Remove X11 dependency
poky:9052e5b32a
      package_ipk: Remove pointless comment to trigger rebuild
poky:a8544811d7
      pbzip2: Fix license warning

Change-Id: If0fc6c37629642ee207a4ca2f7aa501a2c673cd6
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/poky/meta/conf/machine/include/microblaze/feature-microblaze-math.inc b/poky/meta/conf/machine/include/microblaze/feature-microblaze-math.inc
index a315166..cba0ae6 100644
--- a/poky/meta/conf/machine/include/microblaze/feature-microblaze-math.inc
+++ b/poky/meta/conf/machine/include/microblaze/feature-microblaze-math.inc
@@ -13,14 +13,14 @@
 TUNECONFLICTS[fpu-hard-extended] = "fpu-soft"
 
 # Compiler args
-TUNE_CCARGS += "${@bb.utils.contains_any('TUNE_FEATURES', ['multiply-low', 'multiply-high'], '-mno-xl-soft-mul', '-mxl-soft-mul', d)}"
-TUNE_CCARGS += "${@bb.utils.contains('TUNE_FEATURES', 'multiply-high', '-mxl-multiply-high', '', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains_any('TUNE_FEATURES', ['multiply-low', 'multiply-high'], ' -mno-xl-soft-mul', ' -mxl-soft-mul', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'multiply-high', ' -mxl-multiply-high', '', d)}"
 
-TUNE_CCARGS += "${@bb.utils.contains('TUNE_FEATURES', 'divide-hard', '-mno-xl-soft-div', '-mxl-soft-div', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'divide-hard', ' -mno-xl-soft-div', ' -mxl-soft-div', d)}"
 
-TUNE_CCARGS += "${@bb.utils.contains('TUNE_FEATURES', 'fpu-soft', '', '', d)}"
-TUNE_CCARGS += "${@bb.utils.contains_any('TUNE_FEATURES', ['fpu-hard', 'fpu-hard-extended'], '-mhard-float', '', d)}"
-TUNE_CCARGS += "${@bb.utils.contains('TUNE_FEATURES', 'fpu-hard-extended', '-mxl-float-convert -mxl-float-sqrt', '', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'fpu-soft', '', '', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains_any('TUNE_FEATURES', ['fpu-hard', 'fpu-hard-extended'], ' -mhard-float', '', d)}"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'fpu-hard-extended', ' -mxl-float-convert -mxl-float-sqrt', '', d)}"
 
 # Set target fpu (bitbake known target) to soft or hard (basic or extended)
 TARGET_FPU = "${@bb.utils.contains_any('TUNE_FEATURES', 'fpu-hard fpu-hard-extended', 'fpu-hard', 'fpu-soft', d)}"