initial buildroot for linux 5.15

package/mdevd/Config.in

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+config BR2_PACKAGE_MDEVD
+	bool "mdevd"
+	depends on BR2_USE_MMU # skalibs
+	select BR2_PACKAGE_SKALIBS
+	help
+	  mdevd is a small daemon managing kernel hotplug events,
+	  similarly to udevd.
+
+	  http://skarnet.org/software/mdevd/

package/mdevd/mdevd.hash

@@ -0,0 +1,3 @@
+# Locally generated
+sha256  ffd3b223b4cf0e51253b4a8f09cb88d70bf22693228ab0818af174a3f099dcd2  mdevd-0.1.4.0.tar.gz
+sha256  31b60c66aba1fa0a7f8847339ac35c28638e25ff96da700d995533ad810e3995  COPYING

package/mdevd/mdevd.mk

@@ -0,0 +1,39 @@
+################################################################################
+#
+# mdevd
+#
+################################################################################
+
+MDEVD_VERSION = 0.1.4.0
+MDEVD_SITE = http://skarnet.org/software/mdevd
+MDEVD_LICENSE = ISC
+MDEVD_LICENSE_FILES = COPYING
+MDEVD_INSTALL_STAGING = YES
+MDEVD_DEPENDENCIES = skalibs
+
+MDEVD_CONF_OPTS = \
+	--prefix=/ \
+	--with-sysdeps=$(STAGING_DIR)/lib/skalibs/sysdeps \
+	--with-include=$(STAGING_DIR)/include \
+	--with-dynlib=$(STAGING_DIR)/lib \
+	--with-lib=$(STAGING_DIR)/lib/skalibs \
+	$(if $(BR2_STATIC_LIBS),,--disable-allstatic) \
+	$(SHARED_STATIC_LIBS_OPTS)
+
+define MDEVD_CONFIGURE_CMDS
+	(cd $(@D); $(TARGET_CONFIGURE_OPTS) ./configure $(MDEVD_CONF_OPTS))
+endef
+
+define MDEVD_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
+endef
+
+define MDEVD_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(TARGET_DIR) install
+endef
+
+define MDEVD_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(STAGING_DIR) install
+endef
+
+$(eval $(generic-package))