powerpc: T4080: Drop configuration for T4080

There is no T4080 target. Drop related macros.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index 75868fa..786e4f6 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -1759,8 +1759,7 @@
 /* use reserved bits 18~23 as scratch space to host DDR PLL ratio */
 #define FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT	8
 #define FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK	0x3f
-#if defined(CONFIG_ARCH_T4240) || defined(CONFIG_ARCH_T4160) || \
-	defined(CONFIG_PPC_T4080)
+#if defined(CONFIG_ARCH_T4240) || defined(CONFIG_ARCH_T4160)
 #define FSL_CORENET2_RCWSR4_SRDS1_PRTCL		0xfc000000
 #define FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT	26
 #define FSL_CORENET2_RCWSR4_SRDS2_PRTCL		0x00fe0000
@@ -1875,8 +1874,7 @@
 #define FSL_CORENET_RCWSR11_EC2_FM2_DTSEC5_MII          0x00100000
 #define FSL_CORENET_RCWSR11_EC2_FM2_DTSEC5_NONE         0x00180000
 #endif
-#if defined(CONFIG_ARCH_T4240) || defined(CONFIG_ARCH_T4160) || \
-	defined(CONFIG_PPC_T4080)
+#if defined(CONFIG_ARCH_T4240) || defined(CONFIG_ARCH_T4160)
 #define FSL_CORENET_RCWSR13_EC1			0x60000000 /* bits 417..418 */
 #define FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII	0x00000000
 #define FSL_CORENET_RCWSR13_EC1_FM2_GPIO		0x40000000