fix(tree): correct some typos

found using codespell (https://github.com/codespell-project/codespell).

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I1bfa797e3460adddeefa916bb68e22beddaf6373
diff --git a/drivers/st/crypto/stm32_pka.c b/drivers/st/crypto/stm32_pka.c
index 5dfad9a..1e7c42c 100644
--- a/drivers/st/crypto/stm32_pka.c
+++ b/drivers/st/crypto/stm32_pka.c
@@ -695,7 +695,7 @@
 	mmio_setbits_32(base + _PKA_CLRFR, _PKA_IT_PROCEND);
 
 out:
-	/* Disable PKA (will stop all pending proccess and reset RAM) */
+	/* Disable PKA (will stop all pending process and reset RAM) */
 	pka_disable(base);
 
 	return ret;