irqchip/renesas-rzg2l: Align struct member names to tabs

Align struct member names to tabs to follow the requirements from
maintainer-tip file. 3 tabs were used at the moment as the next commits
will add a new member which requires 3 tabs for a better view.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231120111820.87398-4-claudiu.beznea.uj@bp.renesas.com

drivers/irqchip/irq-renesas-rzg2l.c

@@ -57,9 +57,9 @@
 #define TINT_EXTRACT_GPIOINT(x)		FIELD_GET(GENMASK(31, 16), (x))
 
 struct rzg2l_irqc_priv {
-	void __iomem *base;
-	struct irq_fwspec fwspec[IRQC_NUM_IRQ];
-	raw_spinlock_t lock;
+	void __iomem			*base;
+	struct irq_fwspec		fwspec[IRQC_NUM_IRQ];
+	raw_spinlock_t			lock;
 };
 
 static struct rzg2l_irqc_priv *irq_data_to_priv(struct irq_data *data)