staging: bcm: nvm.c: Cleaning up check unsigned is less than zero

Remove checking if a unsigned int is less than zero

This was found using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/bcm/nvm.c

@@ -3321,7 +3321,7 @@ int BcmSetActiveSection(struct bcm_mini_adapter *Adapter, enum bcm_flash2x_secti
 
 			SectImagePriority = ReadISOPriority(Adapter, HighestPriISO) + 1;
 
-			if ((SectImagePriority <= 0) && IsSectionWritable(Adapter, HighestPriISO)) {
+			if ((SectImagePriority == 0) && IsSectionWritable(Adapter, HighestPriISO)) {
 				/* This is a SPECIAL Case which will only happen if the current highest priority ISO has priority value = 0x7FFFFFFF.
 				 * We will write 1 to the current Highest priority ISO And then shall increase the priority of the requested ISO
 				 * by user
@@ -3381,7 +3381,7 @@ int BcmSetActiveSection(struct bcm_mini_adapter *Adapter, enum bcm_flash2x_secti
 			}
 
 			SectImagePriority = ReadDSDPriority(Adapter, HighestPriDSD) + 1;
-			if (SectImagePriority <= 0) {
+			if (SectImagePriority == 0) {
 				/* This is a SPECIAL Case which will only happen if the current highest priority DSD has priority value = 0x7FFFFFFF.
 				 * We will write 1 to the current Highest priority DSD And then shall increase the priority of the requested DSD
 				 * by user