HV: Add acpi_fixup api to override acpi on needs

Add acpi_fixup() api in bsp that can override platform ACPI info when
do init_bsp(), this is useful when platform bootloader is not lock
down before production.

In current code only the wake vector addresses would be parsed after
boot and then override to host_acpi_info, we can add more in furture
based on our needs.

Tracked-On: #1264

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

hypervisor/bsp/include/bsp_extern.h

@@ -36,4 +36,8 @@ extern struct acpi_info host_acpi_info;
 /* BSP Interfaces */
 void init_bsp(void);
 
+#ifndef CONFIG_CONSTANT_ACPI
+void acpi_fixup(void);
+#endif
+
 #endif /* BSP_EXTERN_H */

hypervisor/bsp/sbl/sbl.c

@@ -62,4 +62,7 @@ struct dmar_info *get_dmar_info(void)
 
 void    init_bsp(void)
 {
+#ifndef CONFIG_CONSTANT_ACPI
+	acpi_fixup();
+#endif
 }

hypervisor/bsp/uefi/uefi.c

@@ -115,6 +115,9 @@ static void efi_init(void)
 
 void init_bsp(void)
 {
+#ifndef CONFIG_CONSTANT_ACPI
+	acpi_fixup();
+#endif
 	parse_hv_cmdline();
 
 #ifdef CONFIG_EFI_STUB