dropbear: bump to 2020.80

- drop patches (applied upstream)
 * 001-backport_GNU_SOURCE-for-random.patch
 * 002-backport-move-GNU_SOURCE-earlier.patch
 * 010-backport-disable-toom-and-karatsuba.patch

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

package/network/services/dropbear/Makefile

@@ -8,14 +8,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dropbear
-PKG_VERSION:=2020.79
+PKG_VERSION:=2020.80
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:= \
 	http://matt.ucc.asn.au/dropbear/releases/ \
 	https://dropbear.nl/mirror/releases/
-PKG_HASH:=084f00546b1610a3422a0773e2c04cbe1a220d984209e033b548b49f379cc441
+PKG_HASH:=d927941b91f2da150b2033f1a88b6a47999bf0afb1493a73e9216cffdb5d7949
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=LICENSE libtomcrypt/LICENSE libtommath/LICENSE

package/network/services/dropbear/patches/001-backport_GNU_SOURCE-for-random.patch

@@ -1,25 +0,0 @@
-From 3f5c106a880a02b21739f2022746e6aa7672474c Mon Sep 17 00:00:00 2001
-From: Matt Johnston <matt@ucc.asn.au>
-Date: Tue, 23 Jun 2020 21:38:46 +0800
-Subject: [PATCH] _GNU_SOURCE for random
-
----
- includes.h | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/includes.h b/includes.h
-index e8c3e18..2789f23 100644
---- a/includes.h
-+++ b/includes.h
-@@ -125,6 +125,8 @@
- #endif
- 
- #ifdef HAVE_SYS_RANDOM_H
-+/* uclibc needs _GNU_SOURCE */
-+#define _GNU_SOURCE
- #include <sys/random.h>
- #endif
- 
--- 
-2.25.1
-

package/network/services/dropbear/patches/002-backport-move-GNU_SOURCE-earlier.patch

@@ -1,34 +0,0 @@
-From a7a67585cbc3fe5df85c641618b347a51a943356 Mon Sep 17 00:00:00 2001
-From: Matt Johnston <matt@ucc.asn.au>
-Date: Tue, 23 Jun 2020 22:24:58 +0800
-Subject: [PATCH] move GNU_SOURCE earlier
-
----
- includes.h | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/includes.h b/includes.h
-index 2789f23..884ebf7 100644
---- a/includes.h
-+++ b/includes.h
-@@ -25,6 +25,8 @@
- #ifndef DROPBEAR_INCLUDES_H_
- #define DROPBEAR_INCLUDES_H_
- 
-+/* uclibc needs _GNU_SOURCE, maybe other things? */
-+#define _GNU_SOURCE
- 
- #include "options.h"
- #include "debug.h"
-@@ -125,8 +127,6 @@
- #endif
- 
- #ifdef HAVE_SYS_RANDOM_H
--/* uclibc needs _GNU_SOURCE */
--#define _GNU_SOURCE
- #include <sys/random.h>
- #endif
- 
--- 
-2.25.1
-

package/network/services/dropbear/patches/010-backport-disable-toom-and-karatsuba.patch

@@ -1,17 +0,0 @@
-From: Matt Johnston <matt@ucc.asn.au>
-Date: Thu, 18 Jun 2020 19:12:07 +0800
-Subject: Disable toom and karatsuba for new libtommath
-
---- a/libtommath/tommath_class.h
-+++ b/libtommath/tommath_class.h
-@@ -1312,6 +1312,10 @@
- #undef BN_MP_KARATSUBA_SQR_C
- #undef BN_MP_TOOM_MUL_C
- #undef BN_MP_TOOM_SQR_C
-+#undef BN_S_MP_KARATSUBA_MUL_C
-+#undef BN_S_MP_KARATSUBA_SQR_C
-+#undef BN_S_MP_TOOM_MUL_C
-+#undef BN_S_MP_TOOM_SQR_C
- 
- #include "dbmalloc.h"
- #define MP_MALLOC    m_malloc