Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

drivers/net/sunhme.h

@@ -223,7 +223,7 @@
 /* BigMac receive config register. */
 #define BIGMAC_RXCFG_ENABLE   0x00000001 /* Enable the receiver             */
 #define BIGMAC_RXCFG_PSTRIP   0x00000020 /* Pad byte strip enable           */
-#define BIGMAC_RXCFG_PMISC    0x00000040 /* Enable promiscous mode          */
+#define BIGMAC_RXCFG_PMISC    0x00000040 /* Enable promiscuous mode          */
 #define BIGMAC_RXCFG_DERR     0x00000080 /* Disable error checking          */
 #define BIGMAC_RXCFG_DCRCS    0x00000100 /* Disable CRC stripping           */
 #define BIGMAC_RXCFG_REJME    0x00000200 /* Reject packets addressed to me  */