recipes-bsp: add resize-rootfs recipe to grow rootfs at first boot

Move rootfs resize logic from systemd bbappend to a dedicated resize-rootfs
recipe. This avoids overloading systemd with distro-specific services and
provides a cleaner separation of functionality.

Signed-off-by: Viswanath Kraleti <[email protected]>

Author: vkraleti

recipes-core/systemd/systemd/growfs-root.conf renamed to recipes-bsp/resize-rootfs/files/growfs-root.conf

@@ -0,0 +1,24 @@
+SUMMARY = "Systemd drop-in service fragments to resize root filesystem at first boot"
+LICENSE = "BSD-3-Clause-Clear"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/BSD-3-Clause-Clear;md5=7a434440b651f4a472ca93716d01033a"
+
+SRC_URI += "\
+    file://growfs-root.conf \
+    file://growfs-root.preset \
+"
+
+inherit features_check systemd
+REQUIRED_DISTRO_FEATURES = "systemd"
+
+do_install:append:qcom() {
+    install -Dm 0644 ${WORKDIR}/sources/growfs-root.preset \
+            ${D}${systemd_unitdir}/system-preset/98-growfs-root.preset
+    install -Dm 0644 ${WORKDIR}/sources/growfs-root.conf \
+            ${D}${systemd_unitdir}/system/systemd-growfs-root.service.d/growfs-root.conf
+}
+
+PACKAGES = "${PN}"
+
+FILES:${PN} += "${systemd_unitdir}"
+
+RDEPENDS:${PN} += "e2fsprogs-resize2fs"