mips: Drop JZ4740 remnants

Remove the remnants of JZ4740 support.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>

arch/mips/include/asm/global_data.h

@@ -15,14 +15,6 @@ struct arch_global_data {
 #ifdef CONFIG_DYNAMIC_IO_PORT_BASE
 	unsigned long io_port_base;
 #endif
-#ifdef CONFIG_JZSOC
-	/* There are other clocks in the jz4740 */
-	unsigned long per_clk;	/* Peripheral bus clock */
-	unsigned long dev_clk;	/* Device clock */
-	unsigned long sys_clk;
-	unsigned long tbl;
-	unsigned long lastinc;
-#endif
 #ifdef CONFIG_ARCH_ATH79
 	unsigned long id;
 	unsigned long soc;