[FL-3226] Deep Sleep Idle (#2569)

* Improve RNG error handling
* Sync RTC shadow registers on Stop mode exit
* Implement working STOP2 mode
* Fix formatting
* FuriHal: disable SWD pins if debug is disabled
* Power: cleanup battery info view, handle zero current report from gauge
* Fbt: add command line argument for extra global defines
* FuriHal: cleanup debug defines in power and os, drop deep_insomnia counter.
* Add a setting to disable deep sleep
* Clean up furi_hal_power
* FuriHal,FapLoader,Debug: implement debug in stop mode, workaround resume in stop
* FuriHal: document OS and power subsystems debugging
* Furi: enable debug interface on crash

---------

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

firmware/targets/f7/furi_hal/furi_hal_clock.c

@@ -63,6 +63,10 @@ void furi_hal_clock_init() {
     LL_RCC_HSI_Enable();
     while(!HS_CLOCK_IS_READY())
         ;
+    /* Select HSI as system clock source after Wake Up from Stop mode
+     * Must be set before enabling CSS */
+    LL_RCC_SetClkAfterWakeFromStop(LL_RCC_STOP_WAKEUPCLOCK_HSI);
+
     LL_RCC_HSE_EnableCSS();
 
     /* LSE and LSI1 configuration and activation */
@@ -215,11 +219,14 @@ void furi_hal_clock_switch_to_hsi() {
 void furi_hal_clock_switch_to_pll() {
     LL_RCC_HSE_Enable();
     LL_RCC_PLL_Enable();
+    LL_RCC_PLLSAI1_Enable();
 
     while(!LL_RCC_HSE_IsReady())
         ;
     while(!LL_RCC_PLL_IsReady())
         ;
+    while(!LL_RCC_PLLSAI1_IsReady())
+        ;
 
     LL_FLASH_SetLatency(LL_FLASH_LATENCY_3);
 
@@ -296,4 +303,4 @@ void furi_hal_clock_mco_disable() {
     LL_RCC_MSI_Disable();
     while(LL_RCC_MSI_IsReady() != 0)
         ;
-}
+}