libstrat: update for latest libnx, delete ipc in prep for rewrite

stratosphere/libstratosphere/source/util/util_ini.cpp

@@ -49,7 +49,7 @@ namespace sts::util::ini {
             /* Read as many bytes as we can. */
             size_t try_read = std::min(size_t(num - 1), ctx->num_left);
             size_t actually_read;
-            R_ASSERT(fsFileRead(ctx->f, ctx->offset, str, try_read, FS_READOPTION_NONE, &actually_read));
+            R_ASSERT(fsFileRead(ctx->f, ctx->offset, str, try_read, FsReadOption_None, &actually_read));
             STS_ASSERT(actually_read == try_read);
 
             /* Only "read" up to the first \n. */