gl_shader_gen: Implement dual vertex shader mode.

* More improvements to GDBStub
- Debugging of threads should work correctly with source and assembly level stepping and modifying registers and memory, meaning threads and callstacks are fully clickable in VS.
- List of modules is available to the client, with assumption that .nro and .nso are backed up by an .elf with symbols, while deconstructed ROMs keep N names.
- Initial support for floating point registers.

* Tidy up as requested in PR feedback

* Tidy up as requested in PR feedback

- When VertexA shader stage is enabled, we combine with VertexB program to make a single Vertex Shader stage.

Initialized memory for RequestUpdateAudioRenderer and fixed MemoryPoolSection to be more accurate

gl_shader_decompiler: Implement PredCondition::LessThanWithNan.

gl_shader_decompiler: Use FlowCondition field in EXIT instruction.

GPU: Implement the FADD32I shader instruction.

GPU: Corrected the decoding of FFMA for immediate operands.

Port #3335 and #3373 from Citra: "Small SDL fixes" and "Print the actual error preventing SDL from working" (#637)

* Port #3335 and #3373 from Citra

* Fixup: Use the new logging placeholders

Let games/application know that we're offline

Audout "Auto" functions

Minor logging fixes

Audout autos are identical to their counterpart except for the buffer type which yuzu already handles for us.

Since we have no socket implementation we should be returning 0 to indicate we're currently offline.

Services/FS: Return the correct error code when trying to mount a nonexistent savedata.

Improve directory creation in WindowsCopyFiles.cmake

hid: Fix timestamps and controller type.

- This fixes user input in SMO.

NvOsGetConfigU32 production impl

Port #3579 from Citra: Clean up architecture-specific defines

savedata_factory: Always create a save directory for games.

Settings are only  used when RMOS_SET_PRODUCTION_MODE is set to 0.
If production mode is set, the error code 0x30006 is returned instead

Port #3513 (partly) from Citra: .gitignore: Add CMakeLists.txt.user to Project/editor files

Port #3474 from Citra: Do not crash on unimplemented code in debug build

Port #3505 from Citra: Fix QGLWidget viewport resize on macOS

gl_rasterizer: Flip triangles when regs.viewport_transform[0].scale_y is negative.

nvhost_ctrl: Fix NvOsGetConfigU32 for Snipper Clips.

- Fixes a regression with Binding of Isaac.