HV: modularization improve UEFI macro control code

1. in UEFI bsp code, not need UEFI macro; it is controlled in makefile.
2. in vm/acpi/interrupt code, unify the API name for SBL & UEFI.
3. remove unnecessary header including and unused code.

Tracked-On: #1842
Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>

hypervisor/bsp/include/uefi/uefi.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2018 Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _UEFI_H_
+#define _UEFI_H_
+
+struct efi_context {
+	struct acrn_vcpu_regs vcpu_regs;
+	void *rsdp;
+	void *ap_trampoline_buf;
+} __packed;
+
+const struct efi_context *get_efi_ctx(void);
+const struct lapic_regs *get_efi_lapic_regs(void);
+
+#endif