dts: sdm845: replace with upstream DTS

Import sdm845.dtsi from upstream, as well as the upstream DTS files for
the db845c and Samsung starqltechn. Delete the old board files.

Taken from kernel tag v6.7

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d2307a6..0d7bf16 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -626,8 +626,8 @@
 
 dtb-$(CONFIG_ARCH_SNAPDRAGON) += dragonboard410c.dtb \
 	dragonboard820c.dtb \
-	dragonboard845c.dtb \
-	starqltechn.dtb \
+	sdm845-db845c.dtb \
+	sdm845-samsung-starqltechn.dtb \
 	qcs404-evb.dtb
 
 dtb-$(CONFIG_TARGET_STEMMY) += ste-ux500-samsung-stemmy.dtb