Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/spi/altera.h b/include/linux/spi/altera.h
new file mode 100644
index 0000000..2d42641
--- /dev/null
+++ b/include/linux/spi/altera.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Header File for Altera SPI Driver.
+ */
+#ifndef __LINUX_SPI_ALTERA_H
+#define __LINUX_SPI_ALTERA_H
+
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+
+/**
+ * struct altera_spi_platform_data - Platform data of the Altera SPI driver
+ * @mode_bits:		Mode bits of SPI master.
+ * @num_chipselect:	Number of chipselects.
+ * @bits_per_word_mask:	bitmask of supported bits_per_word for transfers.
+ * @num_devices:	Number of devices that shall be added when the driver
+ *			is probed.
+ * @devices:		The devices to add.
+ */
+struct altera_spi_platform_data {
+	u16				mode_bits;
+	u16				num_chipselect;
+	u32				bits_per_word_mask;
+	u16				num_devices;
+	struct spi_board_info		*devices;
+};
+
+#endif /* __LINUX_SPI_ALTERA_H */