package/mpd: fix Config.in symbol typo

Commit [1] introduced a typo in the Config.in symbol
BR2_HOST_GCC_AT_LEAST_10. This generates check-symbol failures
such as [2].

This commit fixes the issue by fixing the typo.

[1] https://gitlab.com/buildroot.org/buildroot/-/commit/25af5a3b3aa3480ee10158e55c280d675430442a
[2] https://gitlab.com/buildroot.org/buildroot/-/jobs/9464458162

Signed-off-by: Julien Olivain <ju.o@free.fr>

package/mpd/Config.in

@@ -439,5 +439,5 @@ comment "mpd needs a toolchain w/ C++, threads, wchar, host-gcc 10, gcc 12, head
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || \
 		!BR2_TOOLCHAIN_HAS_THREADS || \
 		!BR2_TOOLCHAIN_GCC_AT_LEAST_12 || \
-		!BR2_THOST_GCC_AT_LEAST_10 || \
+		!BR2_HOST_GCC_AT_LEAST_10 || \
 		!BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_6