scripts/sorttable: Rename 'sortextable' to 'sorttable'

Use a more generic name for additional table sorting usecases,
such as the upcoming ORC table sorting feature. This tool is
not tied to exception table sorting anymore.

No functional changes intended.

[ mingo: Rewrote the changelog. ]

Signed-off-by: Shile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: linux-kbuild@vger.kernel.org
Link: https://lkml.kernel.org/r/20191204004633.88660-6-shile.zhang@linux.alibaba.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/init/Kconfig b/init/Kconfig
index a34064a..ad9b6c5 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -58,7 +58,7 @@
 config IRQ_WORK
 	bool
 
-config BUILDTIME_EXTABLE_SORT
+config BUILDTIME_TABLE_SORT
 	bool
 
 config THREAD_INFO_IN_TASK