mips: bmips: add BCM3368 clock definitions

Add header with BCM3368 definitions in order to be able to include it from
device tree files.

Signed-off-by: Álvaro Fernández Rojas <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Acked-by: Florian Fainelli <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

include/dt-bindings/clock/bcm3368-clock.h

···
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BCM3368_H
+#define __DT_BINDINGS_CLOCK_BCM3368_H
+
+#define BCM3368_CLK_MAC 	3
+#define BCM3368_CLK_TC         	5
+#define BCM3368_CLK_US_TOP	6
+#define BCM3368_CLK_DS_TOP	7
+#define BCM3368_CLK_ACM 	8
+#define BCM3368_CLK_SPI	        9
+#define BCM3368_CLK_USBS	10
+#define BCM3368_CLK_BMU         11
+#define BCM3368_CLK_PCM         12
+#define BCM3368_CLK_NTP         13
+#define BCM3368_CLK_ACP_B       14
+#define BCM3368_CLK_ACP_A       15
+#define BCM3368_CLK_EMUSB       17
+#define BCM3368_CLK_ENET0       18
+#define BCM3368_CLK_ENET1       19
+#define BCM3368_CLK_USBSU       20
+#define BCM3368_CLK_EPHY        21
+
+#endif /* __DT_BINDINGS_CLOCK_BCM3368_H */