Speedup SD card & enlarge your RAM. (#1649)

* FuriHal: sram2 memory manager
* FuriHal: sram2 memory allocator
* FuriHal: allow NULL buffers for txrx in spi hal
* SD card: sector cache
* FuriHal: fix init in memory hal
* RPC: STARTUP instead SERVICE
* Memory: pool "free" command
* Thread: service can be statically allocated in a memory pool

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

firmware/targets/furi_hal_include/furi_hal_memory.h

@@ -0,0 +1,44 @@
+/**
+ * @file furi_hal_memory.h
+ * Memory HAL API
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Init memory pool manager
+ */
+void furi_hal_memory_init();
+
+/**
+ * @brief Allocate memory from separate memory pool. That memory can't be freed.
+ * 
+ * @param size 
+ * @return void* 
+ */
+void* furi_hal_memory_alloc(size_t size);
+
+/**
+ * @brief Get free memory pool size
+ * 
+ * @return size_t 
+ */
+size_t furi_hal_memory_get_free();
+
+/**
+ * @brief Get max free block size from memory pool
+ * 
+ * @return size_t 
+ */
+size_t furi_hal_memory_max_pool_block();
+
+#ifdef __cplusplus
+}
+#endif