[hle, kernel] Add support for FW21 and kernel changes (#3004)

- Adapts kernel changes from atmosphere for firmware 21.0.0.
- Fixes launch error of firmware 21.0.0 applets.
- Adds new commands for `prepo` (New `SaveSystemReport` & `SaveSystemReportWithUser`).
- Adds new commands for `IReadOnlyApplicationControlDataInterface` (cmd 19; incomplete!)
- Adds `{12010, nullptr, "SetButtonConfigLeft"},` undocumented IHidServer.
- Adds new commands for `ngc:u` (`Mask2` and `Check2`)
- Adds new commands for system settings server (GetHttpAuthConfig) for webapplet
- Removes incompatible firmware popup warning.

Signed-off-by: lizzie lizzie@eden-emu.dev
Co-authored by: maufeat sahyno1996@gmail.com

Co-authored-by: crueter <crueter@eden-emu.dev>
Co-authored-by: JPikachu <jpikachu.eden@gmail.com>
Co-authored-by: Maufeat <sahyno1996@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3004
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/frontend_common/firmware_manager.cpp

@@ -121,18 +121,12 @@ FirmwareManager::FirmwareCheckResult FirmwareManager::VerifyFirmware(Core::Syste
         return ErrorFirmwareMissing;
     } else {
         const auto pair = GetFirmwareVersion(system);
-        const auto firmware_data = pair.first;
         const auto result = pair.second;
 
         if (result.IsError()) {
             LOG_INFO(Frontend, "Unable to read firmware");
             return ErrorFirmwareCorrupted;
         }
-
-        // TODO: update this whenever newer firmware is properly supported
-        if (firmware_data.major > 20) {
-            return ErrorFirmwareTooNew;
-        }
     }
 
     return FirmwareGood;