Add initial support for the Allwinner H3 SoC, commonly
found in development boards like the Orange Pi series.
This commit introduces the intial SoC support files:
- Basic Kconfig configuration and SoC definition
- MMU region setup for memory management
- SoC-specific headers and device tree source include
Signed-off-by: Muhammad Waleed Badar <walid.badar@gmail.com>
