We already have the mips_tcg_ss source set for TCG-specific files,
use it for mxu_translate.c and tx79_translate.c to simplify a bit.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 target/mips/meson.build | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/target/mips/meson.build b/target/mips/meson.build
index 3b131c4a7f6..3733d1200f7 100644
--- a/target/mips/meson.build
+++ b/target/mips/meson.build
@@ -26,10 +26,9 @@
   'translate_addr_const.c',
   'txx9_translate.c',
 ))
-mips_ss.add(when: ['CONFIG_TCG', 'TARGET_MIPS64'], if_true: files(
+mips_tcg_ss.add(when: 'TARGET_MIPS64', if_true: files(
   'tx79_translate.c',
-))
-mips_tcg_ss.add(when: 'TARGET_MIPS64', if_false: files(
+), if_false: files(
   'mxu_translate.c',
 ))
 
-- 
2.26.3