feat: add RTC wake functionality and related integration

- Introduced  signal in sysctrl interface and module to handle RTC wake events.
- Added RTC wake status register in memory map and updated related tests.
- Integrated RTC wake handling in the APB wrapper and core wrapper.
- Enhanced clock and reset domain configurations to include RTC signals.
- Updated software build configurations to include RTC source files and headers.
- Modified formal verification and testbench files to accommodate RTC wake functionality.
- Ensured proper synchronization and status recording for RTC wake events in the sysctrl module.

configs/ci/gf180.mk

@@ -5,6 +5,7 @@ HAVE_SRAM_IF      := NO
 HAVE_SRAM_MACRO   := NO
 HAVE_SVA          := NO
 EXT_CLK_HZ        := 72000000
+AUD_CLK_HZ        := 18432000
 CLINT_TIMEBASE_HZ := 1000000
 ISA               := RV32IM
 HAVE_CSR          := NO