manuals: add missing space in appends

(From yocto-docs rev: 447be1d6b8f770171799c2275edb65cbdc0fee2d)

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/dev-manual-common-tasks.rst

@@ -4967,7 +4967,7 @@ 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/kernel-dev-common.rst

@@ -1100,7 +1100,7 @@ Section.
    ::
 
       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/ref-variables.rst

@@ -3846,10 +3846,10 @@ system and gives an overview of their function and contents.
       ::
 
          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
@@ -4048,7 +4048,7 @@ 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 ``KMACHINE`` statement says
       that the kernel understands the machine name as "intel-core2-32".