Add samsung specific changes

msm_dtc.bzl

@@ -0,0 +1,60 @@
+load("//build/bazel_common_rules/dist:dist.bzl", "copy_to_dist_dir")
+load(":msm_common.bzl", "get_out_dir")
+
+def define_dtc_dist(target, msm_target, variant):
+    """Create distribution targets for device tree compiler and associated tools
+
+    Args:
+      target: name of main Bazel target (e.g. `kalama_gki`)
+    """
+    dtc_bin_targets = [
+        "@dtc//:dtc",
+        "@dtc//:fdtget",
+        "@dtc//:fdtput",
+        "@dtc//:fdtdump",
+        "@dtc//:fdtoverlay",
+        "@dtc//:fdtoverlaymerge",
+    ]
+    dtc_lib_targets = [
+        "@dtc//:dtc_gen",
+        "@dtc//:libfdt",
+    ]
+    dtc_inc_targets = [
+        "@dtc//:libfdt/fdt.h",
+        "@dtc//:libfdt/libfdt.h",
+        "@dtc//:libfdt/libfdt_env.h",
+    ]
+
+    dtc_tar_cmd = "mkdir -p bin lib include\n"
+    for label in dtc_bin_targets:
+        dtc_tar_cmd += "cp $(locations {}) bin/\n".format(label)
+    for label in dtc_lib_targets:
+        dtc_tar_cmd += "cp $(locations {}) lib/\n".format(label)
+    for label in dtc_inc_targets:
+        dtc_tar_cmd += "cp $(locations {}) include/\n".format(label)
+    dtc_tar_cmd += """
+      chmod 755 bin/* lib/*
+      chmod 644 include/*
+      tar -czf "$@" bin lib include
+    """
+
+    native.genrule(
+        name = "{}_dtc_tarball".format(target),
+        srcs = dtc_bin_targets + dtc_lib_targets + dtc_inc_targets,
+        outs = ["{}_dtc.tar.gz".format(target)],
+        cmd = dtc_tar_cmd,
+    )
+
+    native.alias(
+        name = "{}_dtc".format(target),
+        actual = ":{}_dtc_tarball".format(target),
+    )
+
+    copy_to_dist_dir(
+        name = "{}_dtc_dist".format(target),
+        archives = [":{}_dtc_tarball".format(target)],
+        dist_dir = "{}/host".format(get_out_dir(msm_target, variant)),
+        flat = True,
+        wipe_dist_dir = True,
+        log = "info",
+    )