hv: remove dynamic memory allocation APIs

This patch removes dynamic memory allocation APIs, including:
- calloc
- malloc
- free

The corresponding data structures, MACROs, and Kconfig items
are also removed.

v1 -> v2: no change

Tracked-On: #861
Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>

hypervisor/include/lib/mem_mgt.h

@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2018 Intel Corporation. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef MEM_MGT_H
-#define MEM_MGT_H
-
-/* Macros */
-#define BITMAP_WORD_SIZE         32U
-
-struct mem_pool {
-	void *start_addr;	/* Start Address of Memory Pool */
-	spinlock_t spinlock;	/* To protect Memory Allocation */
-	uint32_t size;		/* Size of Memory Pool in Bytes */
-	uint32_t buff_size;	/* Size of one Buffer in Bytes */
-	uint32_t total_buffs;	/* Total Buffers in Memory Pool */
-	uint32_t bmp_size;	/* Size of Bitmap Array */
-	uint32_t *bitmap;		/* Pointer to allocation bitmap */
-	uint32_t *contiguity_bitmap;	/* Pointer to contiguity bitmap */
-};
-
-/* APIs exposing memory allocation/deallocation abstractions */
-void *malloc(uint32_t num_bytes);
-void *calloc(uint32_t num_elements, uint32_t element_size);
-void free(const void *ptr);
-
-#endif /* MEM_MGT_H */