powerpc/machdep: Remove trailing whitespaces

Fix coding style. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230922080636.26762-4-tzimmermann@suse.de

Author: Thomas Zimmermann

arch/powerpc/include/asm/machdep.h

@@ -10,7 +10,7 @@
 #include <linux/export.h>
 
 struct pt_regs;
-struct pci_bus;	
+struct pci_bus;
 struct device_node;
 struct iommu_table;
 struct rtc_time;
@@ -78,8 +78,8 @@ struct machdep_calls {
 	unsigned char 	(*nvram_read_val)(int addr);
 	void		(*nvram_write_val)(int addr, unsigned char val);
 	ssize_t		(*nvram_write)(char *buf, size_t count, loff_t *index);
-	ssize_t		(*nvram_read)(char *buf, size_t count, loff_t *index);	
-	ssize_t		(*nvram_size)(void);		
+	ssize_t		(*nvram_read)(char *buf, size_t count, loff_t *index);
+	ssize_t		(*nvram_size)(void);
 	void		(*nvram_sync)(void);
 
 	/* Exception handlers */
@@ -102,9 +102,9 @@ struct machdep_calls {
 	 */
 	long	 	(*feature_call)(unsigned int feature, ...);
 
-	/* Get legacy PCI/IDE interrupt mapping */ 
+	/* Get legacy PCI/IDE interrupt mapping */
 	int		(*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
-	
+
 	/* Get access protection for /dev/mem */
 	pgprot_t	(*phys_mem_access_prot)(struct file *file,
 						unsigned long pfn,