[FL-2818] FuriHal: add FuriHalCortexTimer, use it for i2c bus timeouts (#1900)

* FuriHal: add FuriHalCortexTimer, use it for i2c bus timeouts
* Furi: cleanup FuriHalCortexTimer sources and headers

firmware/targets/furi_hal_include/furi_hal_cortex.h

@@ -6,11 +6,18 @@
 #pragma once
 
 #include <stdint.h>
+#include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/** Cortex timer provides high precision low level expiring timer */
+typedef struct {
+    uint32_t start;
+    uint32_t value;
+} FuriHalCortexTimer;
+
 /** Early init stage for cortex
  */
 void furi_hal_cortex_init_early();
@@ -27,6 +34,28 @@ void furi_hal_cortex_delay_us(uint32_t microseconds);
  */
 uint32_t furi_hal_cortex_instructions_per_microsecond();
 
+/** Get Timer
+ *
+ * @param[in]  timeout_us  The expire timeout in us
+ *
+ * @return     The FuriHalCortexTimer
+ */
+FuriHalCortexTimer furi_hal_cortex_timer_get(uint32_t timeout_us);
+
+/** Check if timer expired
+ *
+ * @param[in]  cortex_timer  The FuriHalCortexTimer
+ *
+ * @return     true if expired
+ */
+bool furi_hal_cortex_timer_is_expired(FuriHalCortexTimer cortex_timer);
+
+/** Wait for timer expire
+ *
+ * @param[in]  cortex_timer  The FuriHalCortexTimer
+ */
+void furi_hal_cortex_timer_wait(FuriHalCortexTimer cortex_timer);
+
 #ifdef __cplusplus
 }
 #endif