c6x: Remove multilib requirement

Restore tuple config check
     Add sample configuration

Signed-off-by: Dan Tejada <dan.tejada@cantada.com>

config/arch/c6x.in

@@ -7,31 +7,9 @@
 ## select ARCH_DEFAULT_LE
 ## select ARCH_SUPPORTS_FLAT_FORMAT
 ## select ARCH_SUPPORTS_WITH_CPU
-## select TARGET_SKIP_CONFIG_SUB
-## select ARCH_REQUIRES_MULTILIB
 ## depends on EXPERIMENTAL
 ##
 ## help The TI C6x (TMS320C6000) architecture
 ## help   https://www.ti.com/processors/digital-signal-processors
+## help   For linux, kernel must be 3.7 or later (or custom)
 
-#choice
-#	prompt "Target Processor Type"
-#	default GENERIC_C6X
-#
-#config GENERIC_C6X
-#    bool
-#	prompt "Generic C6X DSP"
-#
-#config TMS320C64X
-#    bool
-#	prompt "TMS320C64X"
-#
-#config TMS320C64XPLUS
-#    bool
-#	prompt "TMS320C64X+"
-#
-#config TMS320C674X
-#    bool
-#	prompt "TMS320C674X or TMS320C66XX"
-#
-#endchoice

samples/tic6x-uclinux-uclibc/crosstool.config

@@ -0,0 +1,14 @@
+CT_CONFIG_VERSION="3"
+CT_EXPERIMENTAL=y
+CT_ARCH_C6X=y
+CT_OMIT_TARGET_VENDOR=y
+CT_KERNEL_LINUX=y
+CT_MULTILIB=y
+CT_LIBC_UCLIBC=y
+CT_THREADS="linuxthreads"
+CT_UCLIBC_NG_DEVEL_VCS_git=y
+CT_UCLIBC_NG_DEVEL_URL="https://github.com/DspHack/uclibc-ng.git"
+CT_ARCH_BINFMT_FDPIC=y
+CT_CC_LANG_CXX=y
+CT_ARCH_ENDIAN="little"
+

samples/tic6x-uclinux-uclibc/reported.by

@@ -0,0 +1,3 @@
+reporter_name="Dan Tejada <dan.tejada@cantada.com>"
+reporter_url="https://www.cantada.com/"
+reporter_comment="Tested with uclibc and linux kernel from http://linux-c6x.org"

scripts/build/arch/c6x.sh

@@ -68,8 +68,6 @@ CT_DoArchUClibcCflags() {
                     *)   CT_Abort "Unsupported architecture: ${f#-march=}";;
                 esac
                 ;;
-            -mlittle-endian)
-                ;;
             -mbig-endian)
                 CT_KconfigEnableOption "ARCH_BIG_ENDIAN" "${cfg}"
                 CT_KconfigEnableOption "ARCH_WANTS_BIG_ENDIAN" "${cfg}"