scripts/dtc: Update to upstream version v1.7.2-62-ga26ef6400bd8

This adds the following commits from upstream:

a26ef6400bd8 Restore phandle references from __fixups__ node
05c524db44ff Restore phandle references from __local_fixups__ node
db65a3a3f4f0 Restore labels from __symbols__ node
64330c682cac Improve type guessing when compiling to dts format
cbb48690c697 Set DTSF_PLUGIN if needed when compiling from dtb
ef3b1baf6370 Emit /plugin/ when compiling to .dts with DTSF_PLUGIN set
7c78c8542d73 Added empty node name check
14dd76b96732 fdtdump: Change FDT_PROP prob handling to ease future addition
9a1c801a1a3c Fix discarded const qualifiers
194ac9422ac9 libfdt: fdt_get_name: Add can_assume(VALID_DTB) check
39cae0bd0031 libfdt: Improve size savings in FDT_RO_PROBE slightly
b12692473298 libfdt: libfdt_internal.h correct final comment in ASSUME block
7f3184a6c550 libfdt: Remove old MacOS strnlen workaround
9197f1ccd95c checks: Do not check overlays for alias paths
e1284ee5dc20 livetree: Add only new data to fixup nodes instead of complete regeneration
cba90ce82064 checks: Remove check for graph child addresses
763c6ab4189c livetree: Simplify append_to_property()
739403f22242 libfdt: Drop including string.h from libfdt_internal.h
1c6c51e51b29 Consider drive letters when checking for absolute paths on Windows.
617f3d9b60f7 ci: Add Cirrus CI configuration for FreeBSD testing
04f948e83fef ci: Add GitLab CI configuration for Linux builds
e89680263137 ci: Tweaks to GitHub Actions setup
2ad738722b79 build: Add FreeBSD and non-GNU linker compatibility
4132ac08ba95 libfdt: Document most remaining functions
33e66ec845b8 tests: Add compatibility with uutils
a0dd7b608102 fdtput: Use strtol() in preference to sscanf()
5b71660724d7 tests: Work around limitation in FreeBSD's printf(1)

The graph_child_address check has been removed from upstream. Drop it
from the makefiles.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

scripts/dtc/libfdt/libfdt_internal.h

@@ -11,11 +11,13 @@
 #define FDT_TAGALIGN(x)		(FDT_ALIGN((x), FDT_TAGSIZE))
 
 int32_t fdt_ro_probe_(const void *fdt);
-#define FDT_RO_PROBE(fdt)					\
-	{							\
-		int32_t totalsize_;				\
-		if ((totalsize_ = fdt_ro_probe_(fdt)) < 0)	\
-			return totalsize_;			\
+#define FDT_RO_PROBE(fdt)						\
+	{								\
+		if (!can_assume(VALID_DTB)) {				\
+			int32_t totalsize_;				\
+			if ((totalsize_ = fdt_ro_probe_(fdt)) < 0)	\
+				return totalsize_;			\
+		}							\
 	}
 
 int fdt_check_node_offset_(const void *fdt, int offset);
@@ -92,7 +94,7 @@ static inline uint64_t fdt64_ld_(const fdt64_t *p)
  * signature or hash check before using libfdt.
  *
  * For situations where security is not a concern it may be safe to enable
- * ASSUME_SANE.
+ * ASSUME_PERFECT.
  */
 enum {
 	/*