HAL to LL migration: GPIO, HSEM, AES (#1069)

* gpio, hsem, crypto: switch from HAL to LL/registers
* Moved GPIO initialization to furi_hal
* More HAL removed
* All HAL modules disabled
* HAL is finally removed
* hal_gpio -> furi_hal_gpio, main.h removed
* Bootloader build fix
* RTOS config moved to freertos-glue
* delay -> furi_hal_delay

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

bootloader/targets/f7/furi_hal/furi_hal.c

@@ -8,11 +8,11 @@ void furi_hal_init() {
     furi_hal_version_init();
 }
 
-void delay(float milliseconds) {
+void furi_hal_delay_ms(float milliseconds) {
     LL_mDelay((uint32_t)milliseconds);
 }
 
-void delay_us(float microseconds) {
+void furi_hal_delay_us(float microseconds) {
     microseconds = microseconds / 1000;
     if(microseconds < 1) {
         microseconds = 1;