Rename OPUS_ARM_NEON_INTR AM_CONDITIONAL as HAVE_ARM_NEON_INTR, for consistency with x86.

Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>

Makefile.am

@@ -47,7 +47,7 @@ if CPU_ARM
 CELT_SOURCES += $(CELT_SOURCES_ARM)
 SILK_SOURCES += $(SILK_SOURCES_ARM)
 
-if OPUS_ARM_NEON_INTR
+if HAVE_ARM_NEON_INTR
 CELT_SOURCES += $(CELT_SOURCES_ARM_NEON_INTR)
 endif
 
@@ -294,7 +294,7 @@ SSE4_1_OBJ = $(CELT_SOURCES_SSE4_1:.c=.lo) \
 $(SSE4_1_OBJ) $(OPT_UNIT_TEST_OBJ): CFLAGS += $(OPUS_X86_SSE4_1_CFLAGS)
 endif
 
-if OPUS_ARM_NEON_INTR
+if HAVE_ARM_NEON_INTR
 CELT_ARM_NEON_INTR_OBJ = $(CELT_SOURCES_ARM_NEON_INTR:.c=.lo)
 $(CELT_ARM_NEON_INTR_OBJ) $(OPT_UNIT_TEST_OBJ): CFLAGS += \
  $(OPUS_ARM_NEON_INTR_CFLAGS)  $(NE10_CFLAGS)

configure.ac

@@ -708,7 +708,7 @@ AS_IF([test x"$enable_intrinsics" = x"yes"],[
 ])
 
 AM_CONDITIONAL([CPU_ARM], [test "$cpu_arm" = "yes"])
-AM_CONDITIONAL([OPUS_ARM_NEON_INTR],
+AM_CONDITIONAL([HAVE_ARM_NEON_INTR],
     [test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1"])
 AM_CONDITIONAL([HAVE_ARM_NE10],
     [test x"$HAVE_ARM_NE10" = x"1"])