Documentation: alphabetize driver pages/links

Change-Id: Ib25ad5fdedc9b6c46245b823caaae5705af2bfb8
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67761
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/Documentation/drivers/index.md b/Documentation/drivers/index.md
index 1b8539d..a6e70fd 100644
--- a/Documentation/drivers/index.md
+++ b/Documentation/drivers/index.md
@@ -7,6 +7,6 @@
 * [Intel DPTF](dptf.md)
 * [IPMI KCS](ipmi_kcs.md)
 * [SMMSTORE](smmstore.md)
-* [SoundWire](soundwire.md)
 * [SMMSTOREv2](smmstorev2.md)
+* [SoundWire](soundwire.md)
 * [USB4 Retimer](retimer.md)