dt-bindings: spi: Define sama7d65 QSPI

dt-bindings: spi: Define sama7d65 QSPI

sama7d65 has 2 instances of the QSPI controller:

• One Octal Serial Peripheral Interface (QSPI0) supporting DDR. Octal,
Twin-Quad, HyperFlashTM and OctaFlashTM protocols supported.

• One Quad Serial Peripheral Interface (QSPI1) supporting DDR/SDR.

Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250908-microchip-qspi-v2-2-8f3d69fdd5c9@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>