boards/riscv: Enable THREAD_LOCAL_STORAGE by default on qemu_riscv32

This provides more test coverage than is offered by the TLS-specific
tests.

Signed-off-by: Keith Packard <[email protected]>

Author: keith-packard

boards/riscv/qemu_riscv32/Kconfig.defconfig

@@ -10,3 +10,8 @@ config BOARD
 
 config COMPRESSED_ISA
 	default y
+
+# Use thread local storage by default so that
+# this feature gets more CI coverage.
+config THREAD_LOCAL_STORAGE
+	default y