all: Fix various spelling mistakes found by codespell 2.2.6.

Signed-off-by: Damien George <damien@micropython.org>

py/formatfloat.c

@@ -230,7 +230,7 @@ int mp_format_float(FPTYPE f, char *buf, size_t buf_size, char fmt, int prec, ch
         }
     } else {
         // Build positive exponent.
-        // We don't modify f at this point to avoid innaccuracies from
+        // We don't modify f at this point to avoid inaccuracies from
         // scaling it.  Instead, we find the product of powers of 10
         // that is not greater than it, and use that to start the
         // mantissa.