libwebp: Fix compilation with mips16

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/libwebp/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libwebp
 PKG_VERSION:=1.0.3
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://storage.googleapis.com/downloads.webmproject.org/releases/webp
@@ -14,7 +14,6 @@ PKG_LICENSE_FILES:=COPYING
 
 PKG_INSTALL:=1
 PKG_BUILD_PARALLEL:=1
-PKG_USE_MIPS16:=0
 
 include $(INCLUDE_DIR)/package.mk
 

libs/libwebp/patches/010-mips16.patch

@@ -0,0 +1,11 @@
+--- a/src/dsp/dsp.h
++++ b/src/dsp/dsp.h
+@@ -95,7 +95,7 @@ extern "C" {
+ #define WEBP_USE_INTRINSICS
+ #endif
+ 
+-#if defined(__mips__) && !defined(__mips64) && \
++#if defined(__mips__) && !defined(__mips16) && !defined(__mips64) && \
+     defined(__mips_isa_rev) && (__mips_isa_rev >= 1) && (__mips_isa_rev < 6)
+ #define WEBP_USE_MIPS32
+ #if (__mips_isa_rev >= 2)