libgcrypt: Import libgcrypt 1.11

We currently use an old version of libgcrypt which results in us having
fewer ciphers and missing on many other improvements.

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

grub-core/lib/libgcrypt/cipher/camellia-ppc8le.c

@@ -0,0 +1,47 @@
+/* camellia-ppc8le.c - POWER8 Vector Crypto Camellia implementation
+ * Copyright (C) 2023 Jussi Kivilinna <jussi.kivilinna@iki.fi>
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#if !defined(WORDS_BIGENDIAN) && defined(ENABLE_PPC_CRYPTO_SUPPORT) && \
+    defined(HAVE_COMPATIBLE_CC_PPC_ALTIVEC) && \
+    defined(HAVE_GCC_INLINE_ASM_PPC_ALTIVEC) && \
+    (SIZEOF_UNSIGNED_LONG == 8) && (__GNUC__ >= 4)
+
+#ifdef HAVE_GCC_ATTRIBUTE_OPTIMIZE
+# define FUNC_ATTR_OPT __attribute__((optimize("-O2")))
+#else
+# define FUNC_ATTR_OPT
+#endif
+
+#if defined(__clang__) && defined(HAVE_CLANG_ATTRIBUTE_PPC_TARGET)
+# define SIMD128_OPT_ATTR __attribute__((target("arch=pwr8"))) FUNC_ATTR_OPT
+#elif defined(HAVE_GCC_ATTRIBUTE_PPC_TARGET)
+# define SIMD128_OPT_ATTR __attribute__((target("cpu=power8"))) FUNC_ATTR_OPT
+#else
+# define SIMD128_OPT_ATTR FUNC_ATTR_OPT
+#endif
+
+#define FUNC_ENC_BLK16 _gcry_camellia_ppc8_encrypt_blk16
+#define FUNC_DEC_BLK16 _gcry_camellia_ppc8_decrypt_blk16
+#define FUNC_KEY_SETUP _gcry_camellia_ppc8_keygen
+
+#include "camellia-simd128.h"
+
+#endif /* ENABLE_PPC_CRYPTO_SUPPORT */