mosh: use mips16 and remove configure patch

MIPS16 is not needed here.

Removed configure patch and replaced with a configure var.

Removed autoreconf as configure is no longer being patched.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit 1ead64489b)

net/mosh/Makefile

@@ -19,11 +19,9 @@ PKG_MAINTAINER:=Rosen Penev <rosenp@gmail.com>
 PKG_LICENSE:=GPL-3.0-or-later
 PKG_LICENSE_FILES:=COPYING
 
-PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
 PKG_BUILD_PARALLEL:=1
 PKG_BUILD_DEPENDS:=protobuf/host
-PKG_USE_MIPS16:=0
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -93,6 +91,9 @@ CONFIGURE_ARGS += \
 	--disable-hardening \
 	--without-utempter
 
+CONFIGURE_VARS += \
+	ac_cv_have_decl_ffs=yes
+
 TARGET_CXXFLAGS += -ffunction-sections -fdata-sections -flto -std=c++11
 TARGET_LDFLAGS += -Wl,--gc-sections -lncurses
 

net/mosh/patches/010-ffs.patch

@@ -1,12 +0,0 @@
---- a/configure.ac
-+++ b/configure.ac
-@@ -425,7 +425,8 @@ AC_CHECK_DECL([mach_absolute_time],
- AC_CHECK_DECLS([__builtin_ctz])
- 
- AC_CHECK_DECLS([ffs], [], [],
--  [[#include <strings.h>]])
-+  [[#define _GNU_SOURCE
-+#include <strings.h>]])
- 
- AC_CHECK_DECLS([be64toh, betoh64, bswap64, __builtin_bswap64], [], [],
-   [[#if defined(HAVE_ENDIAN_H)