Pin sparc-leon to GCC6, again

Also, change the name for uClibc config to be version-agnostic,
the version changes too fast.

Signed-off-by: Alexey Neyman <stilor@att.net>

samples/sparc-leon-linux-uclibc/crosstool.config

@@ -6,9 +6,9 @@ CT_TARGET_VENDOR="leon"
 CT_KERNEL_LINUX=y
 CT_LINUX_V_3_10=y
 CT_LIBC_UCLIBC=y
-CT_LIBC_UCLIBC_CONFIG_FILE="${CT_LIB_DIR}/samples/${CT_TARGET}/uClibc.config"
+CT_LIBC_UCLIBC_CONFIG_FILE="${CT_LIB_DIR}/samples/${CT_TARGET}/${CT_LIBC}.config"
 CT_LIBC_UCLIBC_IPV6=y
-CT_GCC_V_6_3_0=y
+CT_GCC_V_6_4_0=y
 CT_CC_GCC_EXTRA_CONFIG_ARRAY="--disable-libitm"
 CT_CC_LANG_CXX=y
 CT_DEBUG_GDB=y

scripts/saveSample.sh.in

@@ -72,8 +72,8 @@ fi
 # Save the uClibc .config file
 if [ -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" ]; then
     # We save the file, and then point the saved sample to this file
-    CT_DoAddFileToSample "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${samp_dir}/${CT_LIBC}-${CT_UCLIBC_NG_VERSION}.config"
-    "${sed}" -r -i -e 's|^(CT_LIBC_UCLIBC_CONFIG_FILE)=.+$|\1="'"${samp_top_dir}"'/samples/${CT_TARGET}/${CT_LIBC}-${CT_UCLIBC_NG_VERSION}.config"|;' \
+    CT_DoAddFileToSample "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${samp_dir}/${CT_LIBC}.config"
+    "${sed}" -r -i -e 's|^(CT_LIBC_UCLIBC_CONFIG_FILE)=.+$|\1="'"${samp_top_dir}"'/samples/${CT_TARGET}/${CT_LIBC}.config"|;' \
              .defconfig
 else
     # remove any dangling files