target/arm: Rename vfp_helper.c to vfp_fpscr.c

The vfp_helper.c in the target/arm directory now only has
code for handling FPSCR/FPCR/FPSR in it, and no helper
functions. Rename it to vfp_fpscr.c; this helps keep it
distinct from tcg/vfp_helper.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250221190957.811948-5-peter.maydell@linaro.org

target/arm/meson.build

@@ -4,7 +4,7 @@ arm_ss.add(files(
   'debug_helper.c',
   'gdbstub.c',
   'helper.c',
-  'vfp_helper.c',
+  'vfp_fpscr.c',
 ))
 arm_ss.add(zlib)
 

target/arm/vfp_helper.c → target/arm/vfp_fpscr.c

@@ -1,5 +1,5 @@
 /*
- * ARM VFP floating-point operations
+ * ARM VFP floating-point: handling of FPSCR/FPCR/FPSR
  *
  *  Copyright (c) 2003 Fabrice Bellard
  *