Evaluation stubs for RNDNU requantization

PiperOrigin-RevId: 376302078
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b6c6d1..de3cd0d 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -652,6 +652,7 @@
   src/qs8-requantization/rndna-scalar-signed64.c
   src/qs8-requantization/rndna-scalar-unsigned32.c
   src/qs8-requantization/rndna-scalar-unsigned64.c
+  src/qs8-requantization/rndnu-scalar.c
   src/qs8-vadd/gen/minmax-scalar-x1.c
   src/qs8-vadd/gen/minmax-scalar-x2.c
   src/qs8-vadd/gen/minmax-scalar-x4.c
@@ -1121,6 +1122,7 @@
   src/qs8-requantization/fp32-neon.c
   src/qs8-requantization/gemmlowp-neon.c
   src/qs8-requantization/rndna-neon.c
+  src/qs8-requantization/rndnu-neon.c
   src/qs8-vadd/gen/minmax-neon-ld64-x8.c
   src/qs8-vadd/gen/minmax-neon-ld64-x16.c
   src/qs8-vadd/gen/minmax-neon-ld64-x24.c
@@ -2089,6 +2091,7 @@
   src/qs8-requantization/fp32-sse4.c
   src/qs8-requantization/gemmlowp-sse4.c
   src/qs8-requantization/rndna-sse4.c
+  src/qs8-requantization/rndnu-sse4.c
   src/qs8-vadd/gen/minmax-sse41-mul16-ld64-x8.c
   src/qs8-vadd/gen/minmax-sse41-mul16-ld64-x16.c
   src/qs8-vadd/gen/minmax-sse41-mul16-ld64-x24.c