net: mvneta: Rename CONFIG_NR_CPUS to MVNETA_NR_CPUS

The CONFIG_* macros are reserved for Kconfig. This was probably done
when this driver was being imported from Linux. Rename the macro.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 0ec9d29..519e06f 100644
--- a/drivers/net/mvneta.c
+++ b/drivers/net/mvneta.c
@@ -40,7 +40,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define CONFIG_NR_CPUS		1
+#define MVNETA_NR_CPUS		1
 #define ETH_HLEN		14	/* Total octets in header */
 
 /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
@@ -770,7 +770,7 @@
 	/* Set CPU queue access map - all CPUs have access to all RX
 	 * queues and to all TX queues
 	 */
-	for (cpu = 0; cpu < CONFIG_NR_CPUS; cpu++)
+	for (cpu = 0; cpu < MVNETA_NR_CPUS; cpu++)
 		mvreg_write(pp, MVNETA_CPU_MAP(cpu),
 			    (MVNETA_CPU_RXQ_ACCESS_ALL_MASK |
 			     MVNETA_CPU_TXQ_ACCESS_ALL_MASK));