[PATCH v2 2/3] firmware: cirrus: fix typo "upto" in comment

[Hemanth Selam <hemanth.selam@gmail.com>]

Correct "upto" to "up to", reported by scripts/checkpatch.pl using the
misspelling list in scripts/spelling.txt.  Only touches comments, no code
changes.

Assisted-by: Cursor:claude-opus-5
Signed-off-by: Hemanth Selam <hemanth.selam@gmail.com>
---
 drivers/firmware/cirrus/cs_dsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c
index bb93b24c659d..04015280ac5d 100644
--- a/drivers/firmware/cirrus/cs_dsp.c
+++ b/drivers/firmware/cirrus/cs_dsp.c
@@ -3505,7 +3505,7 @@ EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_write, "FW_CS_DSP");
  *
  * As cs_dsp_chunk_write only writes data when a whole DSP word is ready to
  * be written out it is possible that some data will remain in the cache, this
- * function will pad that data with zeros upto a whole DSP word and write out.
+ * function will pad that data with zeros up to a whole DSP word and write out.
  *
  * Return: Zero for success, a negative number on error.
  */