scripts/dtc: Update to upstream version v1.5.1-22-gc40aeb60b47a

This adds the following commits from upstream:

c40aeb60b47a travis.yml: Run tests on the non-x86 builders, too
9f86aff444f4 Add .cirrus.yml for FreeBSD build
34c82275bae6 Avoid gnu_printf attribute when using Clang
743000931bc9 tests: default to 'cc' if CC not set
adcd676491cc Add test-case for trailing zero
d9c55f855b65 Remove trailing zero from the overlay path
7a22132c79ec pylibfdt: Adjust for deprecated test methods
dbe80d577ee2 tests: add extension to sed -i for GNU/BSD sed compatibility
af57d440d887 libfdt: Correct prototype for fdt_ro_probe_()
6ce585ac153b Use correct inttypes.h format specifier
715028622547 support byacc in addition to bison
fdf3f6d897ab pylibfdt: Correct the type for fdt_property_stub()
430419c28100 tests: fix some python warnings
588a29ff2e4e util: use gnu_printf format attribute
bc876708ab1d fstree: replace lstat with stat
4c3c4ccb9916 dumptrees: pass outputdir as first argument
aa522da9fff6 tests: allow out-of-tree test run
0d0d0fa51b1f fdtoverlay: Return non-zero exit code if overlays can't be applied
4605eb047b38 Add .editorconfig
18d7b2f4ee45 yamltree: Ensure consistent bracketing of properties with phandles
67f790c1adcc libfdt.h: add explicit cast from void* to uint8_t* in fdt(32|64)_st
b111122ea5eb pylibfdt: use python3 shebang
60e0db3d65a1 Ignore phandle properties in /aliases
95ce19c14064 README: update for Python 3
5345db19f615 livetree: simplify condition in get_node_by_path
b8d6eca78210 libfdt: Allow #size-cells of 0
184f51099471 Makefile: Add EXTRA_CFLAGS variable
812b1956a076 libfdt: Tweak data handling to satisfy Coverity
5c715a44776a fdtoverlay: Ignore symbols in overlays which don't apply to the target tree
b99353474850 fdtoverlay: Allow adding labels to __overlay__ nodes in overlays
d6de81b81b68 pylibfdt: Add support for fdt_get_alias()
1c17714dbb3a pylibfdt: Correct the FdtSw example
ad57e4574a37 tests: Add a failed test case for 'fdtoverlay' with long target path
bbe3b36f542b fdtoverlay: Rework output allocation
6c2e61f08396 fdtoverlay: Improve error messages
297f5abb362e fdtoverlay: Check for truncated overlay blobs

Cc: Frank Rowand <frowand.list@gmail.com>
Cc: clang-built-linux@googlegroups.com
Signed-off-by: Rob Herring <robh@kernel.org>
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index d7986ee1..756f0fa 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -691,6 +691,11 @@ static void check_alias_paths(struct check *c, struct dt_info *dti,
 		return;
 
 	for_each_property(node, prop) {
+		if (streq(prop->name, "phandle")
+		    || streq(prop->name, "linux,phandle")) {
+			continue;
+		}
+
 		if (!prop->val.val || !get_node_by_path(dti->dt, prop->val.val)) {
 			FAIL_PROP(c, dti, node, prop, "aliases property is not a valid node (%s)",
 				  prop->val.val);