ffmpeg: Upgrade to 3.1.1

Fix build on mips64 while on it.
It was failing for mips64 with 3.1 too

(From OE-Core rev: e6e228b36f2603540d33b06f515aed7d2f5b8a6d)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-multimedia/ffmpeg/ffmpeg/mips64_cpu_detection.patch

@@ -0,0 +1,32 @@
+It will add -mips64r6 and -mips64r2 to cmdline which will
+cause conflicts
+
+in OE we user mips32r2 and mips64r2 for mips arch versions
+so there is no benefit of detecting it automatically by
+poking at tools especially in cross env
+
+Fixes errors like
+
+linking -mnan=2008 module with previous -mnan=legacy modules
+failed to merge target specific data of file
+
+-Khem
+Upstream-Status: Inappropriate [OE-Specific]
+
+Index: ffmpeg-3.1.1/configure
+===================================================================
+--- ffmpeg-3.1.1.orig/configure
++++ ffmpeg-3.1.1/configure
+@@ -5220,12 +5220,9 @@ elif enabled mips; then
+ 
+     # Enable minimum ISA based on selected options
+     if enabled mips64; then
+-        enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
+         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
+         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
+     else
+-        enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
+-        enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
+         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
+         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
+     fi

meta/recipes-multimedia/ffmpeg/ffmpeg_3.1.1.bb

@@ -13,10 +13,11 @@ LIC_FILES_CHKSUM = "file://COPYING.GPLv2;md5=b234ee4d69f5fce4486a80fdaf4a4263 \
                     file://COPYING.LGPLv2.1;md5=bd7a443320af8c812e4c18d1b79df004 \
                     file://COPYING.LGPLv3;md5=e6a600fd5e1d9cbde2d983680233ad02"
 
-SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz"
-
-SRC_URI[md5sum] = "24ef0c0d541c857c8bc39215619b126f"
-SRC_URI[sha256sum] = "919022430e2dad782fabccffdd6c4cae4e7029f84f0701aa662f036a9ca65423"
+SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
+           file://mips64_cpu_detection.patch \
+          "
+SRC_URI[md5sum] = "4ba7033da5d9ac4d0391516c7e5d97e4"
+SRC_URI[sha256sum] = "71bc11f2a8202ef3fbe5e43a9a163b4b698855da39fb6216d9a4614eddd031db"
 
 # Build fails when thumb is enabled: https://bugzilla.yoctoproject.org/show_bug.cgi?id=7717
 ARM_INSTRUCTION_SET = "arm"