adding missing space in appends

(From yocto-docs rev: 9ae3071f66c1811d847ed559cb773999ff6185fc)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Reported-by: Quentin Schulz <foss@0leil.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/dev-manual/common-tasks.rst

@@ -4781,7 +4781,7 @@ configuration would be as follows::
    require conf/multilib.conf
    MULTILIBS = "multilib:lib32"
    DEFAULTTUNE:virtclass-multilib-lib32 = "x86"
-   IMAGE_INSTALL:append = "lib32-glib-2.0"
+   IMAGE_INSTALL:append = " lib32-glib-2.0"
 
 This example enables an additional library named
 ``lib32`` alongside the normal target packages. When combining these

documentation/kernel-dev/common.rst

@@ -1062,7 +1062,7 @@ Section.
    contents::
 
       FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
-      SRC_URI:append = "file://0001-calibrate.c-Added-some-printk-statements.patch"
+      SRC_URI:append = " file://0001-calibrate.c-Added-some-printk-statements.patch"
 
    The :term:`FILESEXTRAPATHS` and :term:`SRC_URI` statements
    enable the OpenEmbedded build system to find the patch file.

documentation/ref-manual/variables.rst

@@ -3979,10 +3979,10 @@ system and gives an overview of their function and contents.
       statements add specific configurations to targeted machine types::
 
          KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc features/taskstats/taskstats.scc"
-         KERNEL_FEATURES:append = "${KERNEL_EXTRA_FEATURES}"
-         KERNEL_FEATURES:append:qemuall = "cfg/virtio.scc"
+         KERNEL_FEATURES:append = " ${KERNEL_EXTRA_FEATURES}"
+         KERNEL_FEATURES:append:qemuall = " cfg/virtio.scc"
          KERNEL_FEATURES:append:qemux86 = " cfg/sound.scc cfg/paravirt_kvm.scc"
-         KERNEL_FEATURES:append:qemux86-64 = "cfg/sound.scc"
+         KERNEL_FEATURES:append:qemux86-64 = " cfg/sound.scc"
 
    :term:`KERNEL_FIT_LINK_NAME`
       The link name of the kernel flattened image tree (FIT) image. This
@@ -4170,7 +4170,7 @@ system and gives an overview of their function and contents.
          SRCREV_machine:core2-32-intel-common = "43b9eced9ba8a57add36af07736344dcc383f711"
          KMACHINE:core2-32-intel-common = "intel-core2-32"
          KBRANCH:core2-32-intel-common = "standard/base"
-         KERNEL_FEATURES:append:core2-32-intel-common = "${KERNEL_FEATURES_INTEL_COMMON}"
+         KERNEL_FEATURES:append:core2-32-intel-common = " ${KERNEL_FEATURES_INTEL_COMMON}"
 
       The :term:`KMACHINE` statement says
       that the kernel understands the machine name as "intel-core2-32".