dtc: update to 1.7.2

Changelog:
- 2d10aa2 Bump version to v1.7.2
- 48795c8 pylibfdt: Don't emit warnings from swig generate C code
- 838f11e fdtoverlay: provide better error message for missing `/__symbols__`
- d1e2384 pylibfdt/libfdt.i: Use SWIG_AppendOutput
- 18aa49a Escape spaces in depfile with backslashes.
- f9968fa libfdt.h: whitespace consistency fixups
- 9b5f65f libfdt.h: typo and consistency fixes

Link: https://github.com/openwrt/openwrt/pull/20858
Signed-off-by: Nick Hainke <[email protected]>

package/utils/dtc/Makefile

@@ -5,11 +5,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dtc
-PKG_VERSION:=1.7.1
+PKG_VERSION:=1.7.2
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_HASH:=9532f10098455711a4da37816fd567dfc8523bb01f59ad6c44887a112e553d9e
+PKG_HASH:=f200e5ebd7afd20d4b3804a3085af0870fcf3c194f8d7f0f6985cf8bbb4ac0f4
 PKG_SOURCE_URL:=@KERNEL/software/utils/dtc
 
 PKG_MAINTAINER:=Yousong Zhou <[email protected]>