Add crypto accelarator node for supporting hardware crypto algorithms,
including SHA1, SHA256, SHA512, AES, 3DES, and AEAD suites.

[t-kristo@ti.com: Modifications based on introduction of yaml binding]
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20200826082921.19143-3-t-kristo@ti.com