PCI: rcar-gen2: Remove duplicated bit-wise or of RCAR_PCI_INT_SIGRETABORT

Bit pattern RCAR_PCI_INT_SIGRETABORT is being bit-wise or'd twice;
remove the redundant 2nd RCAR_PCI_INT_SIGRETABORT.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pci/host/pci-rcar-gen2.c

@@ -52,7 +52,6 @@
 #define RCAR_PCI_INT_B			(1 << 17)
 #define RCAR_PCI_INT_PME		(1 << 19)
 #define RCAR_PCI_INT_ALLERRORS (RCAR_PCI_INT_SIGTABORT		| \
-				RCAR_PCI_INT_SIGRETABORT	| \
 				RCAR_PCI_INT_SIGRETABORT	| \
 				RCAR_PCI_INT_REMABORT		| \
 				RCAR_PCI_INT_PERR		| \