[PKG2] Add external kip1 patches support via .ini

The format is described in patches.ini.
For now it only supports the kips defined in hekate's code.

Next versions will add support for defining other kips.

bootloader/hos/pkg2_ini_kippatch.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2019 CTCaer
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _INIPATCH_H_
+#define _INIPATCH_H_
+
+#include "../utils/types.h"
+#include "../utils/list.h"
+
+typedef struct _ini_patchset_t
+{
+	char *name;
+	u32 offset;  // section + offset of patch to apply.
+	u32 length;  // In bytes, 0 means last patch.
+	u8 *srcData; // That must match.
+	u8 *dstData; // Gets replaced with.
+	link_t link;
+} ini_patchset_t;
+
+typedef struct _ini_kip_sec_t
+{
+	char *name;
+	u8 hash[8];
+	link_t pts;
+	link_t link;
+} ini_kip_sec_t;
+
+int ini_patch_parse(link_t *dst, char *ini_path);
+
+#endif