tcl: update to 8.6.8

Rebase tcl-add-soname.patch

(From OE-Core rev: 3619d779205464175e3c08396660ff9ee52076f9)

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/tcltk/tcl/tcl-add-soname.patch

@@ -11,7 +11,7 @@ Index: unix/configure
 +	    # following line added by CW for Debian GNU/Linux
 +	    TCL_SHLIB_LD_EXTRAS="-Wl,-soname,\${TCL_LIB_FILE}.0"
 +
- 	    SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
+ 	    SHLIB_LD='${CC} ${CFLAGS} ${LDFLAGS} -shared'
  	    DL_OBJS="tclLoadDl.o"
  	    DL_LIBS="-ldl"
 Index: unix/tcl.m4
@@ -25,7 +25,7 @@ Index: unix/tcl.m4
 +	    # following line added by CW for Debian GNU/Linux
 +	    TCL_SHLIB_LD_EXTRAS="-Wl,-soname,\${TCL_LIB_FILE}.0"
 +
- 	    SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
+ 	    SHLIB_LD='${CC} ${CFLAGS} ${LDFLAGS} -shared'
  	    DL_OBJS="tclLoadDl.o"
  	    DL_LIBS="-ldl"
 Index: unix/Makefile.in

meta/recipes-devtools/tcltk/tcl_8.6.7.bb → meta/recipes-devtools/tcltk/tcl_8.6.8.bb

@@ -24,8 +24,8 @@ SRC_URI = "${BASE_SRC_URI} \
            file://alter-includedir.patch \
            file://run-ptest \
 "
-SRC_URI[md5sum] = "5673aaf45b5de5d8dd80bb3daaeb8838"
-SRC_URI[sha256sum] = "7c6b8f84e37332423cfe5bae503440d88450da8cc1243496249faa5268026ba5"
+SRC_URI[md5sum] = "81656d3367af032e0ae6157eff134f89"
+SRC_URI[sha256sum] = "c43cb0c1518ce42b00e7c8f6eaddd5195c53a98f94adc717234a65cbcfd3f96a"
 
 SRC_URI_class-native = "${BASE_SRC_URI}"