ARM: dts: stm32: fix AV96 board SAI2 pin muxing on stm32mp15

stable inclusion
from stable-v5.10.181
commit 84fbe6ad0fa3c42925fbf6849d3f2129b4362c5e
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8GJZJ

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=84fbe6ad0fa3c42925fbf6849d3f2129b4362c5e



--------------------------------

commit ee2aacb6 upstream.

Replace sai2a-2 node name by sai2a-sleep-2, to avoid name
duplication.

Fixes: 1a9a9d22 ("ARM: dts: stm32: fix AV96 board SAI2 pin muxing on stm32mp15")

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>
(cherry picked from commit e6db245e)