feat(st): update STM32MP DT files

This is an alignment with Linux DT files that have been merged in
stm32 tree [1], and will be in Linux 6.7.
The /omit-if-no-ref/ in overlay files are now removed, as already in
pinctrl files.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: Iab94b0ba7a4a0288ca53d1ae57ab590566967415
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 0fa6c73..6530957 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -427,7 +427,7 @@
 
 /* OTP labels */
 #define CFG0_OTP			"cfg0_otp"
-#define PART_NUMBER_OTP			"part_number_otp"
+#define PART_NUMBER_OTP			"part-number-otp"
 #if STM32MP15
 #define PACKAGE_OTP			"package_otp"
 #endif