recipes: Fix variable assignment whitespace

Recipes are much more readable with whitespace around the assignment operators.
Fix various assignments in meta-openembedded recipes to show this is definitely
the preferred formatting.

This fixes recipes with larger numbers of issues but there are just under 100
other references left to fix.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/dynamic-layers/meta-python/recipes-devtools/nanopb/nanopb.inc

@@ -1,5 +1,5 @@
-DESCRIPTION="Protocol Buffers with small code size"
-LICENSE="Zlib"
+DESCRIPTION = "Protocol Buffers with small code size"
+LICENSE = "Zlib"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=9db4b73a55a3994384112efcdb37c01f"
 
 SRC_URI = "git://github.com/nanopb/nanopb.git;branch=maintenance_0.4;protocol=https"

meta-oe/dynamic-layers/meta-python/recipes-multimedia/kmsxx/kmsxx_git.bb

@@ -31,5 +31,5 @@ do_install:append() {
     fi
 }
 
-FILES:${PN} ="${bindir} ${libdir}"
+FILES:${PN} = "${bindir} ${libdir}"
 FILES:${PN}-python += "${PYTHON_SITEPACKAGES_DIR}/*"