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Huang Qi
078e7099b7
Add WDT driver for K210 with support for both WDT0 and WDT1 peripherals. This includes: - Add k210_wdt.c and k210_wdt.h driver files with interrupt-based watchdog timer functionality - Add hardware register definitions in k210_wdt.h - Add K210_WDT, K210_WDT0, K210_WDT1 Kconfig options - Add memory map definitions for WDT0 (0x50400000) and WDT1 (0x50410000) - Reorder WDT IRQ definitions (IRQ 21, 22) before UART0 (IRQ 33) in irq.h - Add WDT initialization in board bringup for maix-bit Signed-off-by: Huang Qi <huangqi3@xiaomi.com>