Linker: Reduce main RAM size use

Reduce cstack to 0x1000
Reduce irqstack to 0x400
Reduce heap to 0x800
Move block FUNCTIONSto FLASH

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>
Merge branch 'master' into menu_development
Menu: Move MENU sections in FLASH const data region

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>
Menu: Commands: Move sections to FLASH

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>
Menu: Add MENU_FORCE_DISPLAY_UPDATE Flag

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>
Menu: Switches Dependency implementation

Signed-off-by: Zarko Kostadinovski <zare_aw@yahoo.com>